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A volume containing miscellaneous notes, jottings, etc., in the hand of Edward Williams ('Iolo Morganwg'). The contents include, pagination in brackets, notes relating to William de Brewis [13th cent.], the chaplaincy of Thirlesbury Martin in the parish of Lantwit [co. Glamorgan], and the formation of the parish of Eglwys Brewis from this chaplaincy (15-16); a reference to the conquest of the lordship of Brecon by Bernard Newmarch in 1087, a copy of an inscription on a cross in the parish of Vaenor [co. Brecknock], and a note on a cromlech at Ty Illtud in the parish of Llanhammwlch (sic) [co. Brecknock] [extracted from William Camden's Brittania] (16-17); notes, historical and geographical, relating to Glamorgan including extracts from Camden's Britannia (18-27); copies of two memorial inscriptions in Clyrow churchyard, co. Radnor, one recording an age of 219, with a comment [by Edward Williams] relating to this (28); an anecdote relating to an attack by Edgar, King of London ('Brenin Llundain'), upon Morgan Mawr in Morgannwg (31 + 34); a genealogy tracing the descent of Bleddyn ap Cynfyn in direct line from Eneas Ysgwyddwyn (35- 6); genealogical and other data relating to Llywelyn Bren, Senghenydd, Lewysaid (sic) y Fann [co. Glamorgan], Llywelyn Bren ieuanc, Lewys Rhaglan ' o Lys y Vronydd', the Gawntlo family of Tregawntlo [co. Glamorgan], and Iestin ap Gwrgan (36-40); a sketch plan of, and a brief note on, 'Gallt Cawrdaf. An[cien]t Monastery', a note on a measure called Miskyn Measure, notes on the site of the 'old church' and on the 'present parish church' at Marcross [co. Glamorgan], and notes relating to land called Nash orchards and land adjacent to it in Nash [co. Glamorgan] (43-5); a note relating to relations between Edgar [king of England] and Morgan Hen [of Morgannwg] circa 967, and the alliance between Iestin ab Gwrgan and the Danes and Irish, late 11th cent. (58); a chronicle of events in Welsh history but relating mainly to South Wales, late 10th-11th cent. (59-71); brief notes relating to events in the reigns of Edward II and Edward III based upon Froissart's Chronicles (75-7); (continued)

Genealogical notes relating to the Gamage family up to the second half of the sixteenth century 'Ex Harl. Lib. No. 368' (85-6); a list of fifteen subject or chapter headings relating to Welsh poetry headed 'Topics for the History of the Bards' (91); a further list of eighteen subject or chapter headings relating to Welsh literature, bardism, music, etc. (92); miscellanea including a medicinal recipe extracted from the Monthly Review, a list of ecumenical councils, 314-551 [A.D.], specifications and a sketch relating to a settee or couch with drawers and a book shelf, etc. (93-6); a list of places in co. Glamorgan where fairs were held noting the main items sold (97-9); brief notes relating to John Hopkins of Neath 'the versifier of the psalms, died 1541', and his ancestor Hopkin Thomas, fl. 1350, who 'wrote the Greal' ( 100); notes on meteorological predictions made by the Prelate Luders of Glucksburg in 1785 and his theories re the influence on climate of ice floes floating down from northern seas (101-02); a list of nine subject or chapter headings relating to Welsh literature, bardism, language, etc., headed 'History of the Bards' (103); miscellanea including eight lines of English verse translated from Welsh by E[dward] Williams, a brief note on tradition by Edward Williams, brief notes relating to sheep and cattle in Glamorgan, genealogies of the bard Taliesin and an anecdote relating to him, etc. (104-08); a brief list of Welsh words with observations on Welsh polysyllabic words whose roots are unknown (122); lists of proverbs, proverbial expressions, and rhyming proverbial couplets, some connected expressly with Glamorgan, a list of nine Welsh words with notes on most, formulae of 'common cries', examples of crude set 'question and answer' pieces, etc. (123-32); notes relating to the sense of apartness of the people of Glamorgan and Monmouth as opposed to the rest of Wales, traces of the Silurian dialect of Welsh in Anglesea and its use by the 'Northwalian Bards of the middle ages' whose 'poetic dialect' was ' demonstratively founded on the Silurian', etc. (133-5); a list of personal ' names . . . still very common in Glam. & Monm.' (136); a further list of Welsh proverbs or proverbial expressions (136-8); geological notes relating to ? the coast of Glamorgan (138); extracts from [John Shore, Baron] Teignmouth: [Memoirs of the] Life . . . of Sir William Jones [philologist and jurist, 1746-94], and a quotation from [ ] Diderot (139- 41); a list of Welsh names of ? villages, farms, etc., and a brief note on Rhys Ddu, temp. Owen Glyndwr (144-6); incomplete notes with the superscription 'Some Account of the Ancient Town of Lantwit Major (Wallice Llanulltud fawr) in the County of Glamorgan' recounting legends concerning Saint Illtud and his monastery and school (147-60); incomplete notes relating to the divisions of Gwlad Forgan in the time of Iestin ab Gwrgan [ late 11th cent.], conflicts between Morgannwg and Deheubarth previous to the time of Iestin, Rhys ap Tewdwr's seizure of the lands of Einon ab Collwyn [late 11th cent.], etc. (163-5); brief notes relating to the history of the Welsh strict-metre poetic system (171-2); brief notes relating to Ewenny Abbey and Ewenny village (173); transcripts of 'englynion' attributed to Llywelyn ab Ifan 'o'r Rhaglan', John David Rhys, Morgan Llywelyn 'o Gastell Nedd', Rhys Morgan 'Pencraig Nedd', and Edward Efan, 'cywyddau' attributed to Lewis Hopcin, a stanza attributed to Wil. Hopcin, and a stanza of unattributed verse (175-86); notes relating to the fifteenth century poet Llawdden or Ieuan Llawdden, his compendium of Welsh bardic laws and arrangement of Welsh strict poetic metres approved at a session of bards held at Caermarthen in 1451 and ratified and confirmed at a second such session of bards also held at Caermarthen in 1460 or 1461, the protest made by Glamorgan bards against these, their researches concerning the bardic laws and institutes, the systematic arrangement of the results of these researches by Gwilym Tew, Lewys Morganwg, and Llen. Siôn 'o Langewydd' successively, and an assembly of Glamorgan bards held at Beaupre Castle circa 1670 for the purpose of 'reviving or recognizing' the ancient institutes, etc. (187-90); reflections concerning the probable origin of the 'gwyddoniaid', the wise men or teachers of the ancient Cymmry, the growth of this body into a more formal system or institution, and its role as 'Parent of the Bardic or Druidic Instit[ut]ion' (190-94); (continued)

Extracts from the poems of Cynddelw referring to 'Derwyddon' (194); notes relating to an assembly held at Caerllion ar wysg under King Arthur to promulgate laws, to the arrangement of the Welsh strict poetic metres, and to the five basic elements (200-01); notes on a few Welsh words with illustrative excerpts from poems (202); a reference to 'Llyfr Cyfarwyddyd ar achoedd o waith Ieuan Brechfa' with the lineage of the said Ieuan Brechfa, a list headed 'Llyma enwau y nawnyn a diriwys yn gyntaf yn fforest Glyn Cothi', and other miscellanea (203-04); a list of twenty-four knights at King Arthur's court divided into eight groups of three, each group possessing particular attributes (205-07); extracts from Welsh poems attributed to, or single stanzas or 'englynion' attributed to Edmund Prys, Siôn Philip, 'N'., Iaco ab Dewi, Thos. Ll'n 'o Regoes', and Ll'n Thomas (208-11); an anecdote relating to the composition by Rhisiart ab Iorwerth Fynglwyd of an 'englyn' containing the names of several objects referred to in a conversation at an 'eisteddfod' (212); copies of the memorial inscriptions on the tombstones of the Reverend Samuel Jones, Bryn Llywarch, ob. 1697, and his wife, ob. 1676, in Llangynwyd churchyard [co. Glamorgan], and a stanza of Welsh verse by [Edward Williams] 'Iolo Morganwg' (213-14, 241-2); a transcript of eight stanzas containing Welsh triads in verse form attributed to Iolo Pen y Lan (215-16); a version of the Welsh prose tale 'Hwedl Rhitta Gawr' (217-20); the title and first words of another prose tale, viz. 'Hwedl fel y llosgwys Cenfigen ei pherchen' (221) followed by fifteen blank pages obviously intended for a copy of this and possibly other similar tales; a transcript of a five-stanza poem entitled 'Syrthiad y Dail' attributed to Thomas Glyn Cothi (238-9); notes headed 'The antiquities of Lantwit Major, Corn. Glamorgan' relating to Saint Illtud, the monastic church founded at Llanilltud, and the early abbots of that church, and attributed to David Nicholls, 1729 (243-55; see also NLW MS 13153A above and references there to NLW MSS 13114B, 13116B); extracts from [Thomas] Carte [: A General] History of England [vol. I, pp. 185-6] relating to St. Germain's mission to Britain in 448, his founding of schools under Dubricius and Iltutus, and the influence of these schools ( 256-61); brief notes referring to Paulinus, Dubricius, and Iltutus, and an anecdote relating to Edgar, king of England, stealing the bell of Lantwit Church in 975 A.D. (261-3); extracts from [John] Leland's Itinerary relating to the 'West Thawan' area of Glamorganshire including Llan Iltuit ( 264-5); notes allegedly from Welsh manuscript sources relating to St. Iltutus and his monastery and school at Llanilltud (266-70); notes relating to the town and parish of Lantwit [Major] referring to a tradition concerning a charter drawn up in the time of William, earl of Pembroke [1551-70], 'for the incorporation of Lantwit', a quay at Cohugh and additions to the town hall built by the said earl, a custom whereby newly-married couples dined in the town hall on their wedding day, rooms under the town hall, the county gaol nearby, the town hall itself, the houses in the town, the soil in the parish, the corn grown, the sheep and cattle reared, the brooks and the river Colhugh, the sea shore, the shell and other fish to be found, the limestone of the cliffs and rocks, etc. (270-80); a further note on 'Illtud Sant . . . a wnaeth Fangor deg a Bangor Illtud ai gelwid' (281); notes referring to Germanus's mission to Britain and the schools and pupils of Dubricius and Iltutus ? 'From Goadby's History of England printed at Sherborn, 1752' (283-5); an incomplete note on Dubricius from 'Sir Harry Spelman . . . in his Councils' (285); notes on traditions relating to sixteenth and seventeenth century non-conformity in Wales, more particularly south-east Wales, with (a) references to the influence or activities of Siôn Penri, W[illia]m Erbri, vicar of the parish of St. Mary's, Cardiff, Syr Hywel Ychan, curate at Y Rhath (Roath) under William Erbri, and Thos. Llewelyn 'o Regoes' [co. Glamorgan], (b) mention of the last named's congregations at Rhegoes, Llangyfelach, and Llanfabon, his translations of sections of the English Bible into Welsh, his licence from Archbishop Grindal to preach in Welsh, and his alleged correspondence with the 'hen ficcar o Landdyfri' [Rhys Prichard], and (c) comments on the ideas of the aforementioned persons and others with regard to infant or adult baptism and forms of church government incorporating a suggestion [by Edward Williams himself] that contemporary Methodists would eventually find it necessary to secede from the Anglican Church (299-309; for comments on the data relating to Thos. Llewelyn see TLLM, tt. 127-8); (continued)

A note relating to a sixteenth/seventeenth century dissenting congregation at Blaen Cannaid [co. Glamorgan], its 'classification' as presbyterian or baptist, the part played in its history by Thos. Llewelyn 'o Regoes' and Hywel Lewys and possibly [John] Penri and [William] Erbri with a transcript of an 'englyn' attributed to the said Hywel Lewys (310-11; see James and Evans: op. cit., pp. 219-20); a note on a tradition relating to the opinions of the aforementioned [William] Erburi and of Walter Cradog concerning baptism (312; see James and Evans: op. cit., p. 220); transcripts of 'englynion' attributed to Iolo Goch and Daf[ydd] ab Gwilym ( 315-17); notes headed 'Coffadwriaeth am Feirdd a Phrydyddion . . .' containing anecdotes relating to 'eisteddfodau' held at Gwern y Cleppa, y Ddol Goch yn Emlyn and Marchwiail . . . yin Mhowys', ? all temp. Edward III, and referring to the poets Dafydd ap Gwilym, the three brothers Llywelyn, Ednyfed, and Madoc ap Gruffudd of Marchwiail, Siôn y Cent, Rhys Goch o Eryri, Iolo Goch, and Llywelyn ap Gwilym (319-20); a note relating mainly to the examination of the Welsh musical measures and the various grades of musicians at the first 'eisteddfod' held at Caerwys [co. Flint] (321); a note relating to the poetic form known as 'cerdd arwest' or 'cerdd deuluaidd' (322); a copy of a 'Prospectus of Y Bardd Teulu neu Dywenydd Morganwg, a Quarterly Welsh Magazine to be printed at Merthyr Tydvil' describing topics to be included, giving indications as to editorial policy, etc. (329-32; see NLW MS 13089E above and the references noted there); notes relating to the poet Bedo Brwynllys, mid 15th cent., a collection of the poems of Dafydd ap Gwilym made by the said Bedo, a ? copy of this collection formerly in the library at Raglan Castle which had been destroyed in the time of Oliver Cromwell ('the largest and most valuable [library] in Wales at the time it was formed . . . the largest collections of Welsh Manuscripts that ever were made'), two other copies of Bedo Brwynllys's collection surviving in South Wales, the Herberts of Raglan's patronage of Welsh literature, Sir William Herbert's connection with the printing of Gruffydd Roberts's Welsh grammar in 1540, the publication of Dafydd ap Gwilym's work 'about 20 years ago . . . at the expence of Owen Jones' [Barddoniaeth Dafydd ab Gwilym, Llundain, 1789], the printing of this volume 'chiefly' from North Wales manuscripts which were inferior to those preserved in South Wales, Dr. [John] Davies [of Mallwyd]'s opinion of the language of Dafydd ap Gwilym's poetry, the formation of the 'modern [Welsh] literary dialect . . . chiefly . . . from the language of this bard' (333-5); notes defining the poetic terms 'gwasgargerdd', 'deifregdawd', and 'gosteg [o englynion]' (341); a list of the mottoes ('gair cysswyn') of various bardic chairs (342-3); a note relating to a ceremony to re-establish a bardic 'cadair wrth gerdd dafod' held in Castell Nedd and the quarrel that occurred there between Rhys ap Tewdwr and Iestin [ap Gwrgan] (343-4; marginal note in the hand of [Taliesin] ab Iolo); further notes relating to the quarrel and fighting between Rhys ab Tewdwr and Iestyn ab Gwrgan (345-7); a brief note on the poetic form 'cerdd arwest' (349); and notes relating to the ignorance concerning the Welsh bardic craft prevalent in the time of Syr Gruff. ap Nicolas, the attempts by Dafydd ap Edmwnt and Guttyn Owam after the second [Carmarthen] 'eisteddfod' to name the Welsh strict metres ('rhoi enwau ar y mesurau'), the ensuing controversy between the bards of Morgannwg and those of Gwynedd, the arrangement of the twenty-four [strict] metres by Guttyn Owain, the acceptance of this system in North Wales, knowledge of this system in South Wales through the medium of Siôn Daf[ydd] Rhys's grammar, a manuscript work [on the Welsh bardic metres and system] compiled by Ll[ywely]n Siôn then in the writer's [i.e. Edward Williams's] possession, his showing of this manuscript to Syr Risiart Basset of Bewpyr [co. Glamorgan], Syr Risiart's decision to call a bardic convention, according to the old rites of the Glamorgan bards, in connection therewith, and the boundaries of the bardic Morgannwg (349-52). In one instance notes have been written on the verso of a printed leaflet announcing the printing of Edward Williams's two volumes of English verse entitled Poems Lyric and Pastoral.

A composite volume (pp. 1-540 with two pages not numbered) containing miscellaneous notes, lists, transcripts, extracts, etc., in the hand of Edward Williams ('Iolo Morganwg'). The contents include pp. 1-20, an account of the revision of the regulations relating to the craft and conduct of Welsh bards and musicians, the rules of 'cynghanedd', and the twenty-four strict poetic metres undertaken in connection with, or at, the 'eisteddfod' held under the patronage of Gruffudd ap Nicolas at Carmarthen [circa 1450], anecdotes relating to Dafydd ap Edmwnd and the said 'eisteddfod', etc., the greater part of the material being allegedly extracted 'O Lyfr Iago ab Dewi yn awr gan Mr. Thomas Evans o Frechfa, 1799' (this is the same account, etc., as that which is found in NLW MS 13096B, pp. 171-95, for which see above); 21-2, biographical and other notes on Sir Robert ab Amon, lord of Glamorgan [late 11th cent.], and his brother Richard; 23-4, notes on the Reverend Samuel Williams and his son the Reverend Moses Williams, a list of 'eisteddfodau' held at Carmarthen, Aber Marlas, and Castell Gweblai, 1452-1486, an anecdote relating to the poet Dafydd ab Edmwnd, a transcript of two 'englynion' by, or attributed to, the said poet, etc.; 25-7, extracts from the manuscript copy of the 'Lib[er] Land[avensis]' in Jesus College [Oxford, i.e., Jesus College MS 20]; 28-9, lists headed 'Names of some Constellations of Fixed Stars peculiar to the Britons', and 'Some Constellations in Glamorgan'; 33-7, a version of the Welsh legend of the birth of Taliesin (see The Myvyrian Archaiology of Wales . . . (London, 1801), vol. I, pp. 17-19); 38, Welsh verse attributed to Morys ab Ieuan ab Eigyn and Lewys Morys; 39, a list of the names of early Welsh bards ('Hen Brydyddion a fuant gynt yng Nghymru'); 40, a transcript of 'englynion' ? attributed to Twm ab Han ab Rhys; 41-54, a series of twenty Welsh fables relating to birds and animals with the superscription 'O Lyfr Owain Myfyr. Damhegion a ysgrifenwyd ar femrwn ynghylch y flwyddyn 1300' (see BM Additional MS 14884, and for a published text Y Greal . . ., 1806, tt. 279-80, 322-9, and ibid., 1807, tt. 366-70); 55-9, series of Welsh triads with the superscriptions 'Llymma Drioedd Arbennig' (see John Williams: Barddas . . ., vol. I, pp. 394-7), 'Trioedd Serch', 'Trioedd Taliesin', and 'Trioedd mab y Crinwas' (continued)

60-63, lists of Welsh 'sayings' and other miscellaneous lists with the superscriptions 'Saith ymofynion y saith Doethion', 'Geiriau Gwir Cattw Ddoeth', 'Geiriau Gwir', 'Llyma leoedd ynghorph Dyn y bydd swrn gynheddfau ynddynt', 'Saith Gynneddf Gwr Dewisol ', 'Naw rhif Carennydd', 'Pysygwriaeth o Lyfr Hywel Ddu Feddyg', 'Cas ddynion Selyf Ddoeth', and 'Cas betheu Owein Cyfeiliog'; 64, a transcript of the inscription and 'englyn' found at the beginning of Lewis Dwnn's volume of pedigrees of families in cos. Carmarthen, Cardigan, and Pembroke; 65-8, a version of the Welsh tale 'Breuddwyd Gronw Ddu o Fôn'; 69-81, transcripts of three Welsh strict-metre poems ('awdlau') by, or attributed to, Rhobert Dyfi, Siôn Tudur, and Gruffydd Thomas; 82-8, a copy of a letter in Welsh, 9 December 1726, from the Reverend Edward Gamage from St. Athan [co. Glamorgan], to Llywelyn ab Ifan 'o'r Cannerw', giving an account of the achievements of members of the Stradling family (for a holograph copy of a letter from Edward Gamage to Llywelyn ab Ifan see NLW MS 13077B, and for transcripts by Edward Williams ('Iolo Morganwg') of letters from, or allegedly from, Gamage to the same recipient in addition to the present example see NLW MSS 13091E, 13095B, and pp. 528-36 of the present manuscript; for observations on these letters and doubts as to the authenticity of the Williams transcripts see IMCY, tt. 58-60, TLLM, tt. 107, 195, and IM, tt. 245-6); 89-123, versions of Welsh tracts, tales, etc., entitled 'Cato Cymraeg' (for the text see Y Greal . . ., 1806, tt. 145-51), 'Ystori y Llong Foel' (for the text see Taliesin . . ., cyf. II, 1860-61, t. 284), 'Breuddwyd Paul Abostol' (for the text see Iolo Manuscripts . . ., pp. 190-92, and for an English translation ibid., pp. 603-05), 'Cyngor i Feirdd a Dysgedigion Cymru' (attributed to loan Dafydd Rhys, M.D. [the Welsh physician and grammarian]; see Thomas Parry: 'Siôn Dafydd Rhys', Y Llenor, cyf. X, tt. 35-46), 'Araith Ieuan Brydydd Hir, 1450', and 'Casbethau Ieuan Brydydd Hir'; 124-30, transcripts of a Welsh poem entitled 'Arwyddon Taliesin', two poems by, or attributed to, Twm ab Ifan ap Rhys, a Welsh prophecy entitled 'Llyma Brophwydoliaeth Merddin', and an 'englyn' attributed to Edward Dafydd o Fargam; 137-42, notes, allegedly 'from John Bradford's MS', relating to the bards Lewys Glyn Cothi, Lewys Morganwg, Thomas Philip Fardd, Hopcin Twm Philip, Ieuan Swrdwal, Hywel Swrdwal, Ieuan ab Hywel Swrdwal, Iorwerth Fynglwyd, Dafydd Fynglwyd, Rhisiart Iorwerth, Bran ap Llyr, Talhaearn Fardd, Sils ab Siôn, Meredydd ab Morgan Philib, William ap Morgan, William Dafydd, Morgan Pywel, Siôn Mowddwy, Llawdden, Cattwg fab Gwynnlliw, Caradawc o Lancarvan, Casnodyn Fardd, Trehaearn Brydydd Mawr, Harri ab Rhys ab Gwilym, Meuryg Dafydd, and Llywelyn Siôn; 153-71, a version of the Welsh prose oration 'Araith Gwgan' (for the text see Taliesin . . ., cyf. II, tt. 108-12, and for observations thereon IM., tt. 249-51); 171-4, transcripts of a poem from 'Llyfr Du Caerfyrddin', 'englynion' by, or attributed to, Wiliam Llyn, Huw Llyn, Richard Davies, Esgob Dewi, Dafydd Nanmor, Siôn Tudur, Syr Lewys, and Ednyfed Fychan, etc.; 175-7, a copy of a preface to 'a little book' ? with the title 'Short Pedigrees of divers Noblemen . . . of Pembrokeshire containing most part of the eight ancestors from whome they are descended' found 'amongst L. Morris' papers'; 178-81, extracts from [John Wynne:] The History of the Gwedir Family [London, 1770]; 182, a note relating to freemasonry; 183-5, lists of Welsh 'sayings' attributed to Ystyffan Fardd and Catto Ddoeth, etc.; 185-7, a transcript of a Welsh poem attributed to Sippyn Cyfeiliog; 188-93, a version of the Welsh tale 'Dammeg Einion ap Gwalchmai'; 194-204, transcripts of four unattributed 'englynion', a Welsh poem attributed to Twm ab Ifan ab Rhys, and an 'awdl' attributed to Siôn Tudur, and genealogical data headed 'Pum Brenhinllwyth Cymry'; 205-20, genealogical data relating largely to Glamorgan, notes on the arms of [Norman] knights who had come to despoil Glamorgan ('Llyma arfau y Cwncwerwyr a ddaethant ar anraith i Forganwg'), etc. (continued)

221-45, transcripts of 'englynion' attributed to Dafydd Benwyn, Siôn Morys Llwyd, Dafydd Llwyd Mathew, Gronwy William, Llewelyn Siôn, Antoni Powel, Morgan Powel, Harri Rheinallt, Huw Ceiriog, Huw Llyn, Wm. Byrcinsiaw, Ieuan Tew, R. Dafis, Escob Mynyw, Siôn Tudur, Huw Pennant, Wiliam Cynwal, Owain Brereton, Owain Gwynedd, Lewys Menai, Bedo Hafesb, Einon Tew, Siôn Philip, Simwnt Fychan, Wiliam Llyn, Edward Brwynllys, Huw Arwystli, Elis ab Rhys ab Edward, Robert Gruffudd ab Ifan, Huw Conwy, Bartholomew Jones, Hywel Ceiriog, Rhys Celli, Dafydd Alaw, Edward Dafydd, Dafydd Edward, Charles Meredydd, Siams Thomas, Hywel Rhys, Dafydd Rhys, Wiliam Lidwn, Hopcin Thomas, Siôn Padarn, Mathew Llwyd 'o Gelligaer', Llywelyn Thomas, Hopcin Dafydd Edward 'o Langyfelach', Harri Lleision 'o Lancarfan', Bleddyn Siôn, Hywel Lewys, Siôn Roberts, Thomas Lewys, Jenkin Rhisiart, Charles Dafydd Meredydd, Morgan Gruffudd, Lleision Ifan, Hopcin Llywelyn, Dafydd Ifan Siôn, Charles Bwttwn, esqr., Dafydd o'r Nant, Samuel Jones, Lewys Môn, Tudur Aled, Gruffudd ab Llywelyn Fychan with Han Brydydd Hir, Huw Ednyfed, Rhys Nanmor, Gwilym ab Ieuan Hen, Iorwerth Fynglwyd, Rhys ab Rhisiart, Gwilym Tew, Dafydd Llwyd 'o Fathafarn', and Ieuan Brechfa (some of these 'englynion' were allegedly written in connection with a bardic meeting held at Craig y Ddinas, 'eisteddfodau' at Caerwys, Bewpyr, Dinbych, ? Carn Fadryn, and Castell Gweblai, and a 'cadair wrth gerdd yn Llangynwyd . . . 1664' (see TLLM, tt. 91-2)); 239-42, anecdotes relating to Gutto'r Glynn and Hywel Dafydd ab Ieuan ab Rhys at an 'eisteddfod' held in Cardiff Castle (with a transcript of an 'englyn' attributed to Sir Wiliam Herbert), and Dafydd o' r Nant at a meeting of bards at Lantrisaint; 247-9, an incomplete copy of a 'cywydd' attributed to Edmund Prys; 250-52, brief genealogical notes relating to the poets or writers Huw Machno, Einion ab Gwalchmai, Rhys Goch, Tudur Penllyn, Llew'n Offeiriad, Syr Owain ab Gwilym, Llen. Goch ab Meurig Hen, Tudur Aled, William Cynwal, Cywryd ab Elaith, Ieuan ab Rhydderch, Dav. Powel, D.D., Gruff. ab Ieuan, Rhys Cain, John Cain, Dafydd Jones, vicar Llanfair Dyffryn Clwyd, Dafydd Llwyd . . . 'o Fathafarn', Edmund Prys, Ednyfed ab Gruff., Madog Benfras, and Llywelyn Llogell Rison (continued)

253-4, an anecdote relating to a Welsh scholar at Oxford and a copy of a poem attributed to Taliesin; 257-8, copies of extracts made ? by Evan Evans ['Ieuan Fardd'] from 'the Liber Landavensis in the Library of Mr. Davies of Llannerch' [now NLW MS 17110E]; 265--84, a copy of ? the preface and first section of a work entitled 'Datguddiad y Daroganwr Neu gasgliad o amryw frudiau a daroganau . . . yn yspysu yn amlwg mai'n presennol Frenin William y trydydd yw y Brenin Darogan' transcribed, according to a note on p. 266, in 1799 from a manuscript in the hand of Thomas ab Ifan of Tre Brynn [the copyist of NLW MSS 13061-13063B, 13069B, 13085B] then in the possession of Thomas Johns of Hafod Uchtryd, co. Cardigan (the preface deals with vaticinatory verse in the Welsh language more particularly that of Merddyn Emrys, Merddyn Wyllt, and Taliesin, and the author maintains that prophetic allusions in such poems were to King William III; see TLLM, tt. 171-2); 289-327, transcripts of miscellaneous old Welsh poems [mainly from 'Llyfr Du Caerfyrddin' and 'Llyfr Taliesin']; 327-9, a copy of an 'awdl' attributed to Dafydd y Coet; 337-45, transcripts of a twelve-stanza poem ['Enweu Meibon Llywarch Hen'] attributed to Llywarch Hen, and a sequence of thirty-seven 'englynion' all commencing with the words 'Eiry mynydd' attributed to Llywarch Hen, or Mab Claf ab Llywarch, or Llywelyn Llogell Rhison 'o Farchwiail', a version of the Welsh prose oration 'Trwstaneiddrwydd Gruffudd ap Adda ap Dafydd', and a few medicinal notes attributed to 'Meddygon Myddfai'; 346-59, transcripts of an 'awdl' allegedly written by Gwilym Tew in connection with an 'eisteddfod' held in the monastery of 'Penrhys yng Nglynn Rhodneu' in Glamorgan in 1434 or 1435, and an 'awdl' allegedly written by Lewys Morganwg for an 'eisteddfod' held in the monastery of Nedd (Neath) [in Glamorgan] in 1493 or 1494; 359-62, an anecdote relating to a proposal to establish a university in Glyn Nedd, temp. Henry VII, a few Welsh triads, and extracts from Robert Vaughan: British Antiquities Revived . . . ([Oxford], 1662); 363-72, transcripts of two 'awdlau' attributed to Thomas Prys 'o Blas Iolyn' and Lewys ab Edward; 375-8, a copy of an extract from the 'Liber Landavensis' as in pp. 257-8, and brief pedigrees of Gwaithfoed, prince of Cardigan, fl. circa 1000, and Bleddyn ap Cynfyn; 379- 417, transcripts of Welsh poems attributed to Thomas Prys 'o Blas Iolyn', Siôn Tudur, Meredydd ap Rhys, Dafydd Nanmor, Rhys Goch 'o Eryri', Madoc ap Gronw Gethin, and Prydydd y Moch, and of unattributed Welsh verse; 418, an analysis of the 'elements' in man ('Defnyddion Dyn') (see John Williams: Barddas. . ., vol. I, pp. 386-9); 419-28, transcripts of two early Welsh poems, the first being an elegy to Cynddylan (for both poems see The Bulletin of the Board of Celtic Studies, vol. IV, pp. 41-7, and vol. VI, pp. 139-41), and a sequence of twenty-five 'Englynion Beddeu Milwyr Ynys Prydain' from 'Llyfr Du Caerfyrddin'; 435-48, transcripts of Welsh strict- metre poems attributed to Da'dd Williams, 'viccar Penllin'; 451-82, transcripts of Welsh strict- and free-metre poems attributed to Huw Morys; 483-92, a brief account in Welsh of the history of Glamorgan from the time of Morgan Mwynfawr to the reign of Henry VIII allegedly 'allan o Lyfr y diweddar Barchedig Edward Gamais, offeiriad Sant Athan, ag ynawr gan Mr. Siôn Spenser o'r un Plwyf'; 493-527 two accounts in Welsh of the quarrels between Iestyn ab Gwrgant, lord of Glamorgan, and Rhys fab Tydyr, lord of Deheubarth, and between the said Iestyn and Einon fab Collwyn, which led eventually to the conquest of Glamorgan by the Normans under Syr Rhobert fab Amon and the division of the country amongst the said Syr Rhobert and his twelve fellow knights, with brief notes on the subsequent ownership of the estates created (the first account was allegedly taken 'o Lyfr Daniel Thomas, argraphydd', and the second allegedly 'o Lyfr y Parchedig Mr. Thomas Basset o Lan y Lai a Gweinidog Sili ag Eglwys Brywys'); 528-36, an incomplete copy of a letter in Welsh [from the Reverend Edward Gamage, rector of St. Athan] to Llywelyn ab Ifan, giving an account of the coming of Sir William Le Esterling, ancestor of the Stradling family, into Glamorgan with the Normans (see pp. 82-8 above); and 539, an incomplete extract relating to the twenty-four traditional Welsh accomplishments.

Miscellaneous papers and fragments containing notes, transcripts, lists, copies of his own poems, etc., by Edward Williams ('Iolo Morganwg') bound together in one volume. The contents include holograph copies of Welsh poems by Edward Williams himself using the bardic names 'Iolo Morganwg', 'I[orwer] th G[wili]m', and 'Ior[wer]th Morganwg'; transcripts of Welsh strict- and free-metre poems (often incomplete) including single stanzas attributed to Huw Morus and Edward Morus (pp. 60, 65), a few stanzas attributed to Gronwy Owain (p. 78), and an 'englyn' attributed to Iorwerth Fynglwyd (p. 141), etc.; a short list of Welsh names of 'different sorts of grass or hay in Glam[organ]' (p. 32); a short list of 'Glum[organ] proverbs' (p. 42 ); draft copies or transcripts of the words of two English election songs written in connection with a parliamentary election in co. Glamorgan [? the election involving Thomas Wyndham of Dunraven Castle and Capt. Thomas Windsor, R.N., in 1789] (pp. 75-6); a ? draft version of an English poem entitled 'Bardic Institutes, a Vision Written in an ancient Bardic circle on Morlais Hill near Merthyr Tidvil, Glam.' (pp. 80-82); excerpts from the work of various Welsh poets headed 'Quotations from Bards relating to usages, Institutes, mythology, Literature, etc., of the Bards' (pp. 83-4 and possibly 193-4); an incomplete copy of an English poem 'The Royal Shepherd' (p. 87); a note in Welsh recording a meeting held at Pen y Bont ar Ogwr [Bridgend, co. Glamorgan] to celebrate victories over [Napoleon] Bonopart (p. 90); a short list of Welsh strict poetic metres headed 'Dosparth Llawdden' (p. 101); a very brief note on 'Lords Halls of Courts and Justice at Coyty, Lantwit, St. Brides, St. Athan, Penmark, [and] Lancarvan [co. Glamorgan]' and 'Baronial Court Halls' of the vale of Glamorgan and Monmouthshire (p. 103); a list in Welsh of some of the traditional customs and pastimes of Glamorgan ('Hen Arferion a Defodau Morganwg') (pp. 105-06); an anecdote relating to Morgan ab Ithel o Forganwg, Hywel Dda, and Blegywryd (p. 107); an anecdote relating to efforts made to deprive the Welsh of education subsequent to the rebellion of Owain Glyndwr, the renewal or spread of the practice of writing by inscribing on wood, and the teaching of this practice to the bards of Gwynedd and Powis by Ieuan ap Hywel Swrdwal and Llawdden Fardd (pp. 115- 116); notes relating to Welsh poetic metres (pp. 139-40, 142, 183-4); a non-chronological list of events in English and Welsh history, 852-1415 ( pp. 143 + 48); a prose tale entitled 'Ystori Rhitta Gawr' (p. 144); statistical tables giving the population of twenty-one parishes in the hundred of Swansea [co. Glamorgan], and four parishes in the hundred of Carnawllon, Caermarthenshire, 1811 (p. 145); brief notes containing speculation as to the state of the province of Siluria [south-east Wales] at the time of the Roman withdrawal, with references to the ancient seminary at Carlion, place names reminiscent of the 'first Planters' of Christianity in the province, monumental inscriptions, etc. (p. 149); ? draft versions or transcripts of the words of Welsh psalm or hymn tunes (pp. 166-7); medicinal recipes in Welsh (pp. 187-90); notes on the 'corfan' or metrical foot in the class of poems called 'dyriau' (p. 184, second sequence); a list of towns, etc., in co. Glamorgan headed 'Town Halls of [ ]' (p- 195); miscellaneous Welsh word lists; miscellaneous triads; extracts from the works of various Welsh bards; and other miscellanea. Some of the notes have been written on the reverse of a promissory note signed by Edward Williams ('Iolo Morganwg') in London, 13 January 1794 (p. 96), the reverse side of an account rendered by Thos. Williams, marble mason, to Hercules Clarke, mason, in respect of a chimneypiece (pp. 164 + 169), and the reverse side and margins of a copy of printed proposals, May 1799, for publishing a periodical to be called Eurgrawn Cymraeg neu Drysorfa Gwybodaeth (pp. 187 + 190).

A volume containing miscellaneous items in the hand of Edward Williams ('Iolo Morganwg'). The contents, pagination in brackets, include a copy of an anecdote relating to the struggle between Caradawc ap Bran ap Llyr and the Romans and the building by Manawydan ap Llyr, his uncle, from the bones of those slain in the struggle, of a prison called 'Carchar Oeth ac Annoeth', all allegedly extracted from [a manuscript called] the 'Yniales' ( i-vii; for the Welsh text see Iolo Manuscripts, pp. 185-7, and for an English translation ibid., PP-pp. 597-600; for the 'Yniales' see TLLM, sub nomine in index); a transcript, with revision of orthography, by [Edward Williams] 'Iolo Morganwg' of f. 9 and part of f. 10 recto of Llanover MS B 15 now NLW MS 13074D, ff. 9 recto-14 verso of which contain extracts from, and abstracts of sections of, a text of the version of the Welsh chronicle 'Brut y Tywysogion' known as 'Brenhinedd y Saeson' in the hand of Robert Vaughan of Hengwrt, co. Merioneth (xvii + 1-8; see NLW MS 13074D above); two lists of the sons of Seithinin, Brenin Cantref y Gwaelod, and Ithael Hael, and miscellaneous memoranda relating to Macsen Wledig, Cantre'r Gwaelod, Gwilym ap Gruff[udd of Penrhyn, co. Caernarvon, ob. 1431] and his son W[illia]m Gruff[udd], Urban, bishop of Landaff, early twelfth century, etc. (15-17); miscellaneous couplets, stanzas, and longer extracts from Welsh strict- and free-metre poems some unattributed and some attributed to G. Hiraethog, Llawdden, Siôn Brwynog, Rob[er]t Daf[ydd] Llwyd of Crymlyn, co. Anglesey, and Dicc Hughes, a short list of 'Prydyddion y Carolau yn Llyfr Mr. Davies o Fangor', brief notes relating to Rich[ar]d Huws, equerry to Queen Elizabeth and poet, and Siôn Brwynog, two triads, etc. (18-26); a chronicle of events in Wales, 1405-1417, connected with the revolt of Owain [Glyndwr] extracted from 'Loose paper[s] of Evan Evans at Mr. Panton's, Anglesea' (27-8; for the Welsh text see Iolo Manuscripts, pp. 67-8, and for an English translation, ibid., pp. 453- 5); a chronicle of historical events, natural phenomena, etc., mainly in Welsh and British history, A.D. 55 - A.D. 453, allegedly from 'Llyfr Watkin Pywel o Ben y Fai o Lyfr Caradawc Llancarfan' (29-38; for the Welsh text see Iolo Manuscripts, pp. 40-45, and for an English translation, ibid ., pp. 417-23); brief notes relating to Dyfnwal ap Dyfnwallawn, king of the North, King Edmwnd, and Prince Llywelyn ap Sissyllt in 877, and a brief note on the seizure of Gower in 966 by Einion ab Owain (41); incomplete notes relating to a feast at Castell Nedd in 1087 organised by Rhys ap Tewdwr and attended by Iestin ap Gwrgan (45-6); notes denoting the number of years between specified events or periods in time relating mainly to Britain and often involving mythological or pseudo-historical figures (e.g. from the coming of the Romans to Britain to the birth of Christ = 54 years, from the time of Beli Mawr, king of Britain, to the coming of the Romans = 75 years) (49-51); notes relating to figures such as Hu Gadarn, Prydain ap Aedd Mawr, and Beli Mawr and the dating of events from their time (57-8); notes denoting the length of various periods or epochs in early British and Welsh history up to the tenth century (e.g. from the time of Llyr Llwyd to the time of Prydain ab Aedd Mawr = 287 years, from the time of Prydain to that of Dyfnwal Moelmud = 29 years, etc .), the majority of the rulers whose reigns are noted as marking the beginning or end of a period being legendary kings, and a few, such as Rhodri Mawr and Hywel [Dda], historical, together with brief notes on events connected with some of the reigns noted (61-6; for the Welsh text see Iolo Manuscripts, pp. 36-40, and for an English translation, ibid., pp. 412-17); miscellaneous genealogical data relating to, inter alios, the Gawntlo family of Tregawntlo [co. Glamorgan], Robert Rhaglan of Llanilltud fawr, Tudur Aled, Iolo Goch, Risiart Davies, bishop of St. David's, and descendants of Ednyfed Fychan and Einion ap Collwyn, mentioning as sources 'Llyfr Tew Watcin Williams o Langanna', 'Llyfr Twm o'r Nant', 'Hafod MS.', 'Llyfr G. Hiraethog', and 'Llyfr Mr. Vaughan' (71-4, 81-5, 91); an extract [from a Panton MS] relating to the codification of the [Welsh] laws [by Hywel Dda] and instructions to Blegywryd to reduce them to writing (95; for the Welsh text see Iolo Manuscripts, p. 87, and for an English translation, ibid., pp. 478-9); (continued)

Notes relating to Einiawn Offeiriad, his son Thomas, and his grandson Hopkin ap Thomas, attributing to Thomas 'Llyfr y Greal' and 'Llyfr y Mebinogi', and to Hopkin 'Marwnad D[afydd ap] G[wilym]' and 'Yr Yniales', etc. (96-7; see TLLM, tt. 9-14 and other references sub nominis in index thereto); genealogical miscellanea ? from 'Llyfr Llanganna' (103-05); genealogical data relating mainly to South Wales (107-21); a list of the names of one hundred and ten kings [of Britain] from the time of Brytys to the time of Cydwaladr (listed as No. 108) with Henry VII and Henry VIII added as Nos. 109-10 (122-4); a genealogy tracing the descent of Henry VIII from Adam (125-6); references to the poets Gwynfardd Brycheiniog and Madawc ap Gwallter and an anecdote relating to the seizure of Taliesin Ben Beirdd by Irish pirates, his escape, and his service at the courts of Urien Rheged, Gwyddno Garanhir, and King Arthur (131-3); an anecdote relating to an Irish raid on the coast of South Wales, the capture of Saint Patric from Bangor Dewdws, and the saint's subsequent conversion of the Irish, etc. (133); transcripts of a fifty-seven stanza free-metre poem entitled 'Cân i'r Ffanaticiaid' allegedly written by an Anglican clergyman ('offeiriad eglwysig', see stanza fifty-six) in the year 1629 (see stanza fifty-seven), the present copy said to be 'o Lyfr Joseph Jones, Hoeliwr o Gaerdyf', a forty-three stanza free-metre poem entitled 'Cân i'r Gau broffwydi' allegedly written by Morgan Siencin of the village of Tresigin [near Llantwit Major, co. Glamorgan] (see stanzas forty and forty-one) in 1643 (see stanza forty-two ), the present copy said to be from the same source as the preceding poem, and a 'cywydd' entitled 'Cywydd y ffanaticiaid' or 'Cywydd cwyn Eglwys Loeger a Sen i'r Ailfedyddwyr a'r Iddewon difedydd' allegedly written by Edward Dafydd of Margam circa 1645 (135-63; for the text of the third poem see Cymru, cyf. XXI, tt. 218-19, and Seren Gomer, 1902, tt. 169-72; these three poems deal with the Puritans in South Wales in the first half of the seventeenth century and for an analysis of their contents, etc., with the opinion that they are partly, if not entirely, the creation of Edward Williams, 'Iolo Morganwg', himself, see IM, tt. 254-63, and TLLM, t. 128; for the 'cywydd' see also Thomas Richards: Religious Developments in Wales, 1654-62, pp. 188-91); a transcript of a twelve-line 'Epitaph uppon ould Dotard Wroth' [? William Wroth, Puritan, cleric, 1576-1641], being a slightly variant version of the same poem to be found in NLW MS 13072B (Llanover B. 12), p. 155 (164); a transcript of two 'englynion' attributed to Jenkin Richards being a slightly variant version of the two 'englynion' on p. 155 of the aforesaid NLW MS 13072B (164); a transcript of four 'Englynion I Hopcin y Pengrwn bregethwr' attributed to Jenkin Richards these again being slightly variant versions of 'englynion' found on pp. 148 + 170 of NLW MS 13072B (165); a transcript of a series of eight unattributed 'englynion' headed '1648' (166); excerpts from, or transcripts of, poems by, or attributed to, Aneurin, Taliesin, Llywarch Hen, Myrddin, Dafydd Benwyn, Sim[wnt] Fychan, Tudur Aled, Elaeth, Philip Brydydd, Gruff. Grug, Prydydd Bychan Deheubarth, H[ywel] ab O[wain] Gwynedd, William Middleton, Gwalchmai, P[rydydd y] moch, Cyndd[elw], Iorwerth Fynglwyd, Mabwaith Hengrys o Ial, Ieuan ap Rhydderch ap Ieuan Llwyd 'o Enau'r Glynn yn Sir Aberteifi', Dafydd y Coed, Edward Dafydd, Dafydd Llwyd Mathew, Gwilym Tew, Dafydd Ddu, Wiliam Egwag (sic), Y Cwtta Cyfarwydd, Iolo Goch, and Rhys Nanmor, extracts from 'Englynion y Beddau' [ from the Black Book of Carmarthen], etc., ? to exemplify poetic metres or metrical patterns (167-220); four lists containing names of persons or names or locations of property and headed 'Depopulation St. Athan', 'Houses at present in St. [Athan] Parish', 'Flimston in ruins', and 'Houses at Present [? in Flimston]', and comments on depopulation in the Boverton and Lantwit area [co. Glamorgan] (233-8); transcripts of free-metre unattributed Welsh verse including traditional 'hen benillion', and of two unattributed 'englynion' (241-54); a note on Twm Bach or Thos. Pritchard of Coyty [co. Glamorgan], 'the Orpheus of his age', ob. 1597, with a transcript of an 'englyn' to him allegedly written jointly by Hugh Griffith and Rhys Cain (255); (continued)

A list of the twenty-four Welsh strict poetical metres with English equivalents of the Welsh names (256); a collection of free-metre verse under the general designation 'Pennillion Sathredig Ym Morganwg', a few of the stanzas being attributed to Edward Matthew of Llangrallo [co. Glamorgan], grandfather of Edward Williams (see IM, tt. 87-8), 'Dau lengcyn o Ystrad Dyfodwg', Wm. o'r Ydwal, Llywelyn ab Ifan, and Siencyn Lygad Rhawlin (257-306; included are stanzas on p.293 subsequently associated with the name of Wil Hopcin for which see TLLM, tt. 251-9); transcripts of 'englynion' attributed to Dafydd Nicolas, Edward Evan, Dafydd Thomas, Lewys Hopkin, Thos. Williams 'o Bont y Ty Pridd', and Taliesin ab Iolo Morganwg, the one attributed to the last named being in English (317-20); notes relating to coal strata in certain locations in Glamorgan (321-2); extracts, etc., from the English Old and New Testament (331-5); miscellanea including a stanza of English verse by E[dward] W[illiams], a list of the titles of twelve English poems headed 'Pieces by E[dward] Wms. in a MS. which Anstey took', a brief list of Welsh proverbs, references to the death of Edmund Prys, Essex Chapel, and the London Unitarian Society, etc. (337-41); a copy of the inscription on the tomb of Lydia Phell, ob. 11699, in the Quakers' Yard near Newbridge, co. Glamorgan, with a description of the said Yard and a note on its connection with the Quakers (344, 354); lists of Welsh words and expressions (346, 351-2, 357, 359, 366, 383-6); a copy of an 'englyn' by [ Edward Williams] 'Iolo Morganwg' (347); transcripts of free-metre stanzas attributed to Rhys Hywel Lewys 'o'r Faenor' and 'englynion' attributed to Edward Evan alias Iorwerth ap loan (348-9, 351); a copy of a declaration dated at Carmarthen, August 1801, in which the persons who had subscribed (fifteen signatures including that of [Edward Williams] 'Iolo Morganwg' are reproduced) declared their intention of forming a religious society to be known as 'Cymdeithas Undodiaid Gristnogol Deheubarth Cymru (The South Wales Christian Unitarian Society)' (350); extracts from the Bristol Mercury, August 1816, re the death of Jane Miles of Swansea aged 106 and the fall of an aerolite near Glastonbury (354); three stanzas of English verse copied from 'Moore's Sacred Melodies' (356); a transcript of a stanza of Welsh verse attributed to Thos. Dafydd Meils, Dyffryn Aberdar, a brief extract from [George] Crabbe's poem '[The] Borough', a copy of the title-page of J[eremiah] Joyce: The Subserviency of Free Enquiry . . . (1816), a list headed 'Errata in Salmau I.M.', an extract from Baldwin's Journal, December 1806, etc. (360-63); extracts on poetry from 'Joyce and Carpenter's Systematic Education, vol. I', and brief notes headed 'Welsh Literary Dialect and Style' (367-8); sketches of, and brief notes relating to, an inscribed stone on Margam mountain and another in the tower of Llanelldeyrn chapel [co. Glamorgan] (369-71); brief notes relating to the traditional boundaries of Morgannwg and Gwent (371-2); a historical note relating to the orthography of the Welsh language (373); notes stressing the importance of preserving the orthography of ancient manuscripts and printed books when reproducing them 'in written transcripts or in printed copies' and deprecating William Owen [Pughe]'s orthographical innovations ( 374-5); notes referring to the 'MS. Tract' relating to the regulations for musicians associated with the 'Glyn Achlach musical sessions' circa 11098, the possible Italian influence on the music of the time of Gruffudd ap Cynan, and the place of the harp and 'crwth' in Welsh musical and bardic tradition, with adverse comments on the ideas of 'Humstrum Ned' [? Edward Jones, 'Bardd y Brenin'], etc. (377-811); notes criticising the theories that the Druids had inhabited caves or underground dens (382); a list of sayings headed 'Welsh proverbial Piety Glam.' (402); extracts from the parish register of the parish of Lanmaes [co. Glamorgan], late 16th-18th cent. (407-22); a list headed 'Enwau Rhai a fuant fyw yn hen iawn ym Morganwg' containing the names of, or copies of memorial inscriptions to, persons in Glamorgan who, from the period of the saints to the nineteenth century, had lived to be octogenarians, nonagenarians, or centenarians ( 425-31; a few items added by Taliesin Williams); an anecdote relating to an old man from Glamorgan whose mare had been stolen by [Oliver] Cromwell's soldiers (434 this appears to be in the hand of Taliesin Williams); further examples of, or notes relating to, instances of longevity in Glamorgan (435-9); two brief lists headed 'Dynion hynod am rym Corph ym Morganwg' (two items added in the hand of Taliesin Williams) and 'Hynod am ysmalhewch'’ (440); a list of ? Glamorgan bards, 15th-18th cent. (441 + 444 ); extracts from Brown Willis: Survey of the Cathedral Church of Landaff relating to Dubricius, bishop of Landaff, ob. 522, Herewald, bishop of Landaff, ob. 1113, and Edward Davies, rector of St. Brides, ob. 1672, all three being examples of longevity (445-6); a copy of a Latin memorial inscription to the Reverend Edward Pritchard, rector of the parish of Flimston [co. Glamorgan], ob. 1742, in the parish church, with notes and anecdotes relating to him (447-50; see IM, tt. 97-8); and further notes relating to, and names of, nonagenarians and centenarians ? all of Glamorgan (451-4, 465-71; one additional note m the hand of Taliesin Williams).

A volume containing miscellany of prose and verse items in the hand of Edward Williams ('Iolo Morganwg'), divided into three sections each described on its 'title-page' as 'Brith y Coed sef cynnulliad cymmysg o hen Bethau Cymreig Rhyddiaith a Phrydyddiaeth Cynnulliad Iolo Morganwg'. These three sections are numbered Rhifyn 1, 11, 111 respectively. The contents of section 1 (pp. i-viii, 1-153) consist of miscellaneous items including notes on the three bardic brothers Ednyfed, Madawc (Benfras), and Llywelyn ap Gruffudd of Marchwiail [co. Denbigh] (11), copies of versions of the dedicatory epistle to Richard Mostyn and the letter to the reader which Gruffudd Hiraethog composed as introductory material to his booklet or volume 'Lloegr drigiant ddifyrrwch Brytanaidd Gymro' which contained, inter alia, his collection of Welsh proverbs (see D. J. Bowen: Gruffudd Hiraethog a'i Oes (Caerdydd, 1958), tt. 32-7) (33-42), a list of old Welsh words extracted from the aforementioned booklet (37), a copy of Simwnt Vychan's licence as 'pencerdd' granted at the Caerwys eisteddfod, 1567 (42- 3), miscellaneous Welsh proverbs (44-5, 72), a list of fifteenth and sixteenth century Welsh bards with the names of their burial places (59-62 ), an anecdote relating to Siôn Mowddwy (64), a copy of the marriage vow ( Welsh) in force in the time of Oliver Cromwell (73), a brief note on the orthography of the 'Black Book of Carmarthen' (73), medicinal recipes (74- 5), a description of a traditional Glamorgan game called 'Chware cnau mewn Llaw' (see IM, tt. 51-2) (76), anecdotes purporting to give biographical data re Dafydd ap Gwilym (77-85), an anecdote relating to Rhisiart Iorwerth 'o Langynwyd' incorporating an 'englyn' attributed to him (86-7), an anecdote re the imprisonment of people in Cardiff gaol for their religious views in the reign of Mary [Tudor] (93-6), an anecdote re a meeting of poets at Ystrad Ywain [co. Glamorgan] in 1720 (98), a note relating to Llywelyn Bren Hen (100), a brief pedigree of the Abermarlais family (101), a list of Welsh proper names derived from Latin (105-06), a note on 'cerdd gadair' and 'cerdd deuluaidd' (107), a series of triads entitled 'Trioedd y Cybydd' (117-20), a few triads with other miscellanea ( 132-3), a note on violent winds near Ruthyn [co. Denbigh] in 1628-1629 (137-8 ), an extract from a letter from John Lloyd ap Huw to Edward Llwyd of the [Ashmolean] Museum [Oxford], 1698, concerning the location of certain ' cistiau' and stone circles (138-9), a note on Tudur Aled with a list of bards licensed at an 'eisteddfod' held at Caerwys in 1565 (150-51), and an anecdote relating to Tomas Llywelyn 'o Regoes' (152); prose items, lists, etc., with the superscriptions 'Llyma enwau Pedwar Marchog ar hugain Llys Arthur . . .' (1-10), 'Llyma enwau Arfau Arthur' (10), 'Llyma Enwau llongau . . . Arthur' (10), 'Casbethau Cattwg Ddoeth' (16), 'Enwau y Pedair camp ar hugain (24 accomplishments) a'r achos y gwnaethpwyd hwynt' (17-19), Pedwar Marchog ar hugaint oedd yn Llys Arthur . . .' (20-23), 'Cynghorion Ystudfach fardd' (27-8), 'Cyngor Taliesin . . . i Afawn ei Fab . . .' (46), 'Llyma achau a Bonedd rhai o'r Prydyddion' (49), 'Ymryson yr Enaid a'r Corph yr hwn a droes Iolo Goch o'r Lladin yng Nghymraeg' (65-70 ), 'Naw Rhinwedd y gofyn Duw gan Ddyn' (70-71), 'Graddau Carennydd' (92), 'Coffedigaeth am ladd y Tywysog Llywelyn ap Gruffudd . . . ' (130-31), 'Y Saith Veddwl teithiol' (134-5), 'Llyma saith Rhad yr Yspryd Glân' (135), 'Llyma'r . . . saith Bechod marwol' (135), 'Llyma saith weithred y drugaredd' (135), 'Llyma Weddi y Pader' (136), 'Enwau y nawnyn a diriwys yn gyntaf yn Fforest Glynn Cothi' (142-3), and 'Chwe peth a ddifa Lloegr' (148); and transcripts of Welsh poems in strict and free metre, often single 'englynion', including poems attributed to Rhys Goch Eryri (12), Thomas Llywelyn 'o Regoes' (12,141), Gruffydd Hiraethog (13), Simwnt Fychan (? 13, 109), Bleddyn ddu (13), Dafydd Benwyn (13), Richard Hughes ( 14, 116), Wm. Llyn (14), Elis Wynn 'o blwyf Llanuwchlyn' (15), Taliesin Ben Beirdd (23, 90-91, 104), Ystudfach fardd (23-6), Thomas Gruffudd (32), Llen. Deio Pywel (46), Llywelyn Siôn 'o Langewydd' (47-8), Hopcin ap Thomas ap Einon 'o Ynys Dawy' (50), Gytto'r Glynn (55), Thomas Glynn Cothi (57-8), Tomas Lewys 'o Lechau' (63-4), Morys Dwyfech (72), Twm ab Ifan ab Rhys (87-8), William Dafydd 'o Abercwmyfuwch' (88-9), Siôn y Cent (97, 112- 14), Dafydd ap Gwilym (99, 108), Edward Richards (108), Revd. Mr. Davies, Bangor (108), Tudur Aled (109), Edward Maelor (109), Rhys Cain (110, 115), Dafydd ap Siancyn Fynglwyd (110), Roger Cyffin (110), Siôn Tudur (110), Syr Huw Dafydd 'o Euas' (111), Ieuan Brydydd Hir 'o Lanyllted' (111), Thomas Powel 'o Euas' (111), Dafydd ab Edmwnd (114), Rhisiart Iorwerth (115), Syr Ifan, 'offeiriad Carno' (115), Matthew Owen (115), ? Huw Morys ( 115), Rhisiart Philip (115), Cynddelw Brydydd Mawr (116), Seisyllt Bryffwrch (116), Dafydd Nanmor (131), Iago ab Dewi (140), Llywelyn Tomas ( 141), and Rhobin Ddu 'o Fôn' (143-8), a sequence of fifteen stanzas called 'Araith y Gwragedd' (29-32), a sequence of 'Englynion y Misoedd' attributed to Syppyn Cyfeiliog or Cneppyn Gwerthrynion reputedly 'o Lyfr Ysgrif yn llaw'r Dr. Dafis o Fallwyd' (121-4), and a sequence of thirty-two 'Englynion yr Eira' attributed to Macclaff ap Llywarch (125-30). (continued)

Section 2 (pp. 161-312) contains miscellaneous items including a note relating to Morgan Llywelyn ? 'o Regoes' (170), a short list of Welsh bards who had acted as bardic teachers to other bards (198), miscellaneous genealogical and chronological data (220-21), lists of Welsh bards 'yn amser y Clymiad cyntaf ar Gerdd', 'yn yr ail clymiad Cerdd', and 'yn amser y trydydd Clymiad ar Gerdd' (225-32), a copy of an introduction written by [Edward Williams] 'Iolo Morganwg' in 1800 to a proposed booklet to be called 'Gwern Doethineb' containing ? extracts from miscellaneous Welsh manuscript sources (268-70), a brief chronicle of events in Welsh and British history to 1318 A.D. (275-9), a further brief chronicle of events in Welsh and British history to 1420 A.D. (280-300), and a third brief chronicle of such events to 1404 A.D. (301-03); prose items or lists with the superscriptions 'Henaifion Byd' (171-5), '14 Prif geinciau Cadwgan a Chyhelyn' (186-7), 'Llyma Ddosparth Cerdd Dant' (211-14), 'Llyma enwau y pedwar mesur ar hugain Cerdd dant' (214-15), 'Llyma y saith mesur ar hugain' (215-16), 'Llyma Lyfr a elwir Cadwedigaeth Cerdd Dannau . . .' ( 217-19), 'Llyma yr ystatys a wnaeth Gruffudd ap Cynan i'r Penceirddiaid a'r Athrawon i gymmeryd Disgyblion . . .' (271-4), and 'Dosparth yr awgrym' ( 303); and transcripts of Welsh poems, sometimes a single 'englyn', including poems attributed to Dafydd ap Gwilym (169-70, 205), Siôn y Cent (175-9), Huw Machno (180-84), Thomas Carn (184-5), Thomas Dafydd ap Ieuan ap Rhys 'o Bwll y Crochan' (a sequence of twenty 'Englynion Eiry Mynydd ar Ddiarhebion') (187-93), Dafydd ap Edmwnt (194), Siôn Brwynog (195, 200), Hywel ap Syr Mathew (196), Dicc Huws (197), Syr Thomas Williams 'o Drefriw' (199), Dafydd Nanmor (200, 304), Thomas James (200), Rhys Cain (201, 203 ), Siôn Philip (201-02), Huw Pennant (202), Morgan ap Huw Lewys (202), Huw Arwystli (204), Tudur fardd coch (205), Llawdden fardd (206), Dafydd Manuel (207-10), Guttyn Owain (222-4), Edward Dafydd (265-7), and Thomas Llewelyn 'o Regoes' (304), a series of 'englynion' mostly to the nightingale reputedly composed in connection with 'eisteddfodau' held at Caerwys including 'englynion' attributed to Siôn Tudur, Wiliam Cynwal, Wiliam Lleyn, Rd. Davies, escob Mynyw, Robert Gruffydd ab Ieuan, Bartholom Jones, Huw Llyn, Elis ab Rhys ab Edward, Syr Lewys 'o Langyndeyrn', Hittin Grydd, and Lewys ab Edward (233-9), a series of one hundred and sixty stanzas with the superscription 'Chwedlau'r Doethion (o Lyfr Tre Brynn)' each stanza commencing 'A glywaist ti chwedl' (240-60), and a second sequence of thirty-four stanzas of the same nature (260-65).

Section 3 (pp. 313-444) includes prose items with the superscriptions 'Llyma Ragaraith Bardd Ifor Hael' (with a note thereon by [Edward Williams] 'Iolo Morganwg') (335-9) 'Cas Bethau Bardd Ifor Hael' (339), 'Trithlws ar ddeg Ynys Prydain' (340-41), 'Llyma fal y telid iawn dros alanas gynt. . .' (352), 'Llyma ddosparth yr awgrym' (356), 'Dewis Bethau Bach Buddugre' (357-8) 'Casbeth Ieuan Gyffylog' (358-9), 'Casbethau Dafydd Maelienydd' (362-3), 'Llyma gynghorion y Dryw o'r Llwyn glas' (364-6), 'Llyma gynhorion Gwas y Dryw' (366), 'Araith Ieuan Brydydd Hir o Lanylltid' (with a note thereon by [Edward Williams] 'Iolo Morganwg') (369-72), 'Llyma Enwau Prif Gaerydd Ynys Prydain' (393-7), and 'Dewis bethau Hywel Lygadgwsg' (424-5); transcripts of Welsh poems, sometimes a single 'englyn', including poems attributed to Wmffre Dafydd ab Han, 'clochydd Llan Bryn Mair' (321-7), Wiliam Philip 'o'r Hendre Fechan' (328-34), Morgan Mwcci Mawr (334), Richard Wiliam (343-9, 374), Dafydd Llwyd 'yn ymyl Llanrwst' (351), Dafydd Ddu 'o Hiraddug' (351), Llywelyn fawr y dyrnwr (360-61), Ieuan Brydydd Hir ( 372-4), Merfyn Gwawdrydd ('canu misoedd y flwyddyn') (375-82), Guttyn Owain (383-4), Maclaf ab Llywarch ('Eiry Mynydd' stanzas) (385-9), Taliesin Ben Beirdd (390-91, 398-401), Dafydd Edward 'o Fargam' (417), Thomas Llywelyn 'o Regoes' (417), Ednyfed Fychan (418), Morgan Llywelyn 'o Gastell Nedd' (419), Ystudfach Fardd (twenty-four 'Englynion y Bidiau') (421-4), Gwgan ab Bleddyn (426-7), and Davydd Davies 'o Gastell Hywel' (432); and miscellaneous items including instructions in Welsh for making fishing hooks ('Modd y gwneir Bachau enwair') (342-3), medicinal recipes (349-51, 420), lists of Welsh proverbs (353-5, 367-8), an anecdote re Taliesin and Maelgwn Gwynedd (391-2), a copy of the introduction written by Thomas Wiliems [of Trefriw] to his Latin - Welsh dictionary 'Thesaurus Linguae Latinae et Cambrobrytannicae' transcribed by [Edward Williams] ' Iolo Morganwg' from one of the manuscripts of Paul Panton of Plas Gwyn, Anglesey (now NLW MS 1983 of which see ff. 48-56) (402-13), a note by 'Iolo Morganwg' relating to Thomas Wiliems (414-15), a note relating to Cattwg Ddoeth (418), brief notes on Dafydd ap Gwilym, Llawdden Fardd, Dafydd ap Edmwnd, and Tudur Aled (428), four versions of the Lord's Prayer in Welsh 'o'r un llyfr yn llaw Edward Llwyd' (429-31), a note on Tudur Aled (432), and a short treatise commencing 'Llyma son am Fonedd ag anfonedd sef y traether am fonedd ac anfonedd yn hynn o fodd . . .' (433-9 ). Each section is preceded by a list of contents.

Miscellaneous papers and home-made booklets containing material in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents include pp. 1-10, an incomplete, alphabetical list (A - G only) of the names of Welsh bards with dates (floruit) and occasional notes, allegedly transcribed in the house of [David Thomas] 'Dafydd Ddu o Eryri' at Traeth Coch, Anglesey, in 1799 from a volume previously in the possession of the Reverend Dafydd Elis of Amlwch, Anglesey; 23, notes relating to bardism; 24-5, anecdotes relating to Ieuan Deulwyn and Antoni Pywel of Llwydarth incorporating 'englynion' by both; 27-9, notes relating to the bardic 'cadair Tir Iarll'; 39-42, notes headed 'Llyma Ddosparth ar Deilyngdawd y Beirdd herwydd pob un ei radd a'i swydd'; 45-7, notes on measures taken by Ceraint Fardd Glas, Rhys ap Tewdwr, and Gruffudd ap Cynan in connection with the Welsh strict poetic metres; 55-87, references to, and extracts from, the works of various Welsh poets mainly the 'cywyddwyr', with notes on some of the poets and/or poems and their contents; 88-98, notes on Dafydd Ddu o Hiraddug referring to his connection with the 'cywydd' measure, the bardic grammar associated with his name and that of Edeyrn Dafawd Aur, and the translation into Welsh of the Office of the Blessed Virgin Mary, and mentioning the possibility of identifying Dafydd Ddu Hiraddug with Dafydd Ddu Fynach 'o Fonachlog Nedd' and Dafydd Ddu Athraw of the parish of Pen Tyrch [co. Glamorgan]; 104, a philological note on the word 'Cymmry'; 105- 15, notes incorporating comments on the word 'Cymry' (Kimmeri) as a national appellative and the early development of the language of the Cymry, an attack on tendencies to introduce new rules of orthography into the Welsh language, a comment on the need for 'a good Dictionary . . . of the Langu[age] as well as a good Grammar', a suggestion for establishing a 'Welsh corresponding Academy for restoring to its pristine purity the Ancient British or Welsh Language', etc.; 116, a list of twenty literary and historical subjects headed 'Progress of literary taste for improvement in Eastern South Wales'; 117, copies of two alphabets described as 'The most ancient Irish Alphabet named Bobeloth' and 'Irish Marcomanic or Marcomanic Runes'; 119, notes on ? bardic and public alphabets; 121-2, further notes on the Cimbri, Cymmry, or Cimmeri and their language; 137-41, lists or groups of miscellaneous Welsh words or phrases; 153-68, a brief account of religious dissent in Glamorgan in the 16th and 17th centuries with mention of Thomas Llywelyn, the bard, preaching to congregations at Blaen Cannaid and Rhegoes and translating the Bible into Welsh, and references to Wm. Erbury, Walter Caradog, Morgan Llwyd's visits to Glamorgan, the congregation at Blaen Cannaid, Lydia Phelle, meetings at Mynwent y Cwacers, Samuel Jones of Brynn Llywarch, and chapels or congregations at Tref y Ryg, parish of Llantrisan, Cefn Hengoed, parish of Gelli Gaer, Cwm y Glo near Merthyr, Ynys Gou in Merthyr, Coed y Cymmer near Merthyr, Cwm Cynnon near Aberdare, Hirwaen Forgan, parish of Aberdare, and Cymmer yr Ystrad, parish of Llantrisaint, all under the superscription 'Mân gofion am rai pethau eglwysig a chrefyddol a gefais gan y diweddar Mr. Morgan Llywelyn o Gastell Nedd'; 185-209, groups of Welsh words, verse extracts, etc.; 215-17, two lists containing the names of authors (Geoffrey of Monmouth, Morgan Llwyd, etc.), individual literary or historical works (Mabinogion, Drych y Prifoesoedd, etc.), and categories of material (Achau'r Saint, Triads, etc.), the first headed 'Our Ancient [Welsh] Prose Classics' and the second 'Modern [Welsh] Classics in prose', with a brief note on the language, etc., of these authors or works and criticism of the language of works written by modern, Welsh Unitarian writers; 218-20, brief notes on the characteristics of Welsh poetry from the earliest times with mention of Gruffudd ap Cynan, Rhys Goch ap Rhiccert, and Dafydd ap Gwilym; 221-3, notes on the formation of compound words in Welsh; 236, a list of words headed 'Specimens of roughness or of rugged words in the English'; 241-4, extracts from the works of Wm. Cynwal, Iorwerth Fynglwyd, Gwilym ab Ieuan Hen, Meredydd ap Rhys, and Llywelyn ap Ednyfed under the heading 'Caethiwed y Beirdd wedi darfod y Tywysogion'; (continued)

245-6, extracts from [? Henry] Hunter: Sacred Biography [London, 1783]; 247, brief notes headed 'Traddodiadau Morganwg am Owain Glyn Dwr'; 265-6, extracts from [Richard] Baxter: Poetical Fragments [London, 1681]; 269, extracts from Wm. Forbes: [An Account of the] Life of [James] Beattie [1807]; 269, an anecdote relating to Owain Glyndwr and an ash tree on Sterling Down [co. Glamorgan]; 270, brief notes headed 'Meteorology of Glam[organ]'; 271, a transcript of six stanzas of English verse headed 'Old song commonly sung in Glamorgan]'; 273, a transcript of three 'englynion' attributed to Rhisiart Tomas of Pen y Bont ar Ogwr, with a note thereon by [Edward Williams] 'Iolo Morganwg'; 274-5, a list of names of saints with churches founded by them in cos. Glamorgan and Monmouth allegedly from a volume in the possession of Siôn Bradford; 283, a note on an 'eisteddfod' held at Ystrad Ywaen [co. Glamorgan], ? 1603; 283-4, a note relating to the preservation of traditions, historical memorials, etc. in Wales; 285-7, a list of miscellaneous Welsh words with English or Latin definitions; 287, copies of four 'englynion' by [Edward Williams] 'Iolo Morganwg'; 301-?92, extracts from ? [J. Pinkerton:] Walpoliana; 393- 415, extracts from The Monthly Review, 1790, vols. 1 and 2, ibid., 1807, etc.; 415, a transcript of two 'englynion' to the Baptist meeting house at Maeshaleg [co. ] attributed to Harri Siôn of Pont y Pwl; ? 422 + 423, a short list of Welsh maxims headed 'Agricul[t]ural Maxims in Glamorgan]'; 424, four Welsh proverbs described as 'Glam[organ] proverb]s'; 424, specifications of 'Buarth mawr in Wick, a large Ruin, an Armory of the Dutchy of Lancaster ait Thos. Truman'; 428-9; a list of invaders of Britain ('Llyma son ysbysbwyll am yr Estroniaid a ddaethant i Ynys Prydain yn ormes yn erbyn Braint Cenedl y Cymry'); 429-37, miscellaneous groups of Welsh words, miscellaneous memoranda, and two stanzas of Welsh verse attributed to Siôn William; 438-40, suggestions in Welsh concerning matters for discussion at an annual meeting of Unitarians ('y Dwyfundodiaid') [to be held] in Aberdare [co. Glamorgan], N.D.; 441-56, miscellaneous memoranda, a brief note on the difference between North Wales and South Wales dialect, extracts from The Monthly Review, 1807, a transcript of a brief letter, 1807, from J. Franklen from Lanmihangle to Mr. Hooper, ? concerning a right of way, a brief note on Chinese methods of propagating fruit trees, extracts from speeches by Napoleon, etc.; 461- 4, a transcript of a sequence of thirty 'Englynion y Gorugau' attributed to Y Bardd Glas o'r Gadair; 465, a short list of Welsh triads ('Trioedd Amrafaelion'); 466, a note on Hugh Lupus, earl of Chester, ob. 1107; 468, a transcript of six more 'Gorugau' stanzas; 470, an anecdote relating to Ieuan fawr ap y Diwlith 'o Gil Fai'; 471, brief notes headed 'Llyma son am Glymau Cerdd dafawd herwydd y mesurau'; 472-3, 476 lists or groups of Welsh words; 477, notes with the incipit 'Llyma'r modd y nottaynt yr hen athrawon hyspysu cof amseroedd'; 478, a list of Welsh poetic measures headed 'Hen Ddosparth Tir Iarll', and a brief note commencing 'Llyma ddosparth y Corfannau a wnaeth Hopkin Thomas o Gil Fai . . . '; 479, rules relating to the training of bardic trainees or disciples; 480, a note relating to 'mesurau profest'; 480-85, pseudo-historical notes relating to the Welsh strict metres and the bardic system with mention of Rhys ab Tewdwr, Gruffudd ap Cynan, Llawdden Fardd, Dafydd ap Edmwnt, 'eisteddfodau' at Carmarthen 1450 and 1460, etc.; 486, a list of Welsh words ending in - ur with English definitions; 488, an anecdote relating to Sir Edward Stradlin and Dr. John David Rhys; 491, a short list of Welsh proverbs headed 'Diarhebion Morganwg'; 493-6 a brief note on the appearance of double and alternate rhymes in South Wales and on the form of the verbal termination for the third person singular past tense in the works of medieval Welsh poets, and miscellaneous Welsh word or phrase lists; 514, a short list of Welsh words with, in some instances, English or Latin definitions or equivalents; 519, notes on financial contributions headed 'Dwyfundodiaid, 1813, Gelli Onnen'; 521-9, miscellaneous notes noting, inter alia, archaeological remains, remains of abbeys, 'edifices by Inigo Jones' and repairs effected by him, various plants, fruit, trees, minerals, rocks, etc., to be found in various locations in co. Glamorgan; 531, brief notes on Dunraven Castle, Boverton Castle and Place, and Hays Castle in Lantwit and the remains of a camp adjacent to it; 532, a biographical note on John Hopkins 'versifier of the Psalms', ob. 1541; etc.

Proof sheets of projected editions by E. Stanton Roberts of 'cywyddau' by Tudur Penllyn, Ifan ab Gruffydd Leiaf, Hywel Rheinallt, Gutto'r Glyn, Gruffydd Hiraethog, Hum ap Dafydd, Dafydd Llwyd ap Llywelyn, Robin Ddu, Dafydd Nanmor?, Rhys Cain, Lewis ap Edward, Howel ap Dafydd ap Ieuan ap Rhys, Lewys Glyn Cothi, Llawdden, and Robt. Lewis.

A composite volume consisting of seven home-made booklets with stiff, brown paper covers bound together. The contents of six of the booklets consist of series of Welsh triads in the hand of Edward Williams ('Iolo Morganwg'), the various booklets containing the following series-Book I (pp. 11-62), ['Trioedd Doethineb'], 'Trioedd Gwladoldeb', 'Trioedd y Meddwyn', 'Trioedd Cyfarwyddyd', and 'Hen Drioedd Dosparth'; Book II (pp. 63-106; the inscriptions on the outer and inner upper cover appear to indicate that the contents were to consist of a series of 'Trioedd Braint a Defod', but the pages are blank except for p. 65 which contains two miscellaneous triads probably in the hand of Taliesin Williams); Book III (pp. 107-58), 'Trioedd Braint a Defod'; Book IV (pp. 159-206), 'Trioedd Doethineb', 'Hen Drioedd o Lyfr Thomas Glyn Cothi . . . Trioedd Taliesin in al.', 'Trioedd Serch' from the same source , 'Hen Drioedd Doethineb o Lyfr Watkin Giles', 'Trioedd Cyfarwyddyd', and 'Trioedd Barddas'; Book V (pp. 207-44), 'Trioedd y Dieithr', 'Hen Drioedd Cerdd Cymmysg sef Trioedd o Lyfr Iorwerth Fynglwyd . . .', 'Trioedd Llawdden Fardd a ddangos . . . efe yn Eisteddfod fawr Caerfyrddin' (on a strip of paper pasted on to p. 228), 'Trioedd Llaw[d]den Fardd sef Trioedd Cerdd Dafawd', and 'Trioedd Llawdden Fardd a ddangoswyd yn Eisteddfod Caerfyrddin 1451'; Book VI (pp. 245-84), 'Trioedd y Llafurwr o Lyfr Thomas Morys o Fodryngall yn Ystrad Dyfodwg a ysgrifennwyd ynghylch y flwyddyn 1700 gan Rhys Lewys, Meistr Ysgol yn Llanwonno . . .', and 'Trioedd Ach a Bonedd'; and Book VII (pp. 285-336), 'Trioedd y Brodyr o Lyfr Llywelyn Siôn' ('Rhisiart Iorwerth a'i Cant'), a second series with. the same title ('a Rhisart Iorwerth a gant y rhain hefyd'), 'Trioedd Mab y Crinwas o Lyfr Esaia Powel . . .' ('Gutto'r Glynn au Cant i'r Eisteddfod fawr ynghaerfyrddin'), 'Trioedd y Cymro o Lyfr Thos. Philip o Dreoes . . .' ('Hopcin Twm Philip o'r Gelli fid ai Cant'), 'Trioedd y Sais' from the same source, 'Trioedd y Lladron sef ydynt Brenin, Offeiriad, a Lleidr' from the same source, 'Trioedd Ysmalhawch Amrafaelion', 'Trioedd Beirdd', 'Trioedd Amrafaelion' (two series), 'Trioedd Cerdd Amrafaelion', and 'Trioedd Braint a Defawd'. Some of the series are incomplete and there are occasional annotations by Edward Williams and ? by Taliesin Williams, his son.

A composite volume containing series of Welsh triads, some incomplete or very brief, in the hand of Edward Williams ('Iolo Morganwg'). Included are series with the superscriptions 'Trioedd Beirdd Cymru. Llymma Drioedd a ddangoswyd gerbron Cadair Tir iarll gan Risiart Iorwerth mab Iorwerth Fynglwyd (o Lyfr Thomas Hopcin o Langrallo) . . .' (preceded by a list of incipits of thirty-nine of the one hundred and forty triads), 'Trioedd Beirdd Ynys Prydain a'r son y sydd gan Lafar Gorsedd am danynt a'u hanfod a'u hansawdd' (incomplete, four only, with introductory notes), 'Llyma Drioedd Beirdd a Barddoniaeth a dynnwyd o Lyfrau y prifeirdd nid amgen nac o Lyfrau Taliesin Ben Beirdd, a Merddin Emrys, a Merddin ap Morfran . . .' (with end note 'Ac felly y Terfyna Drioedd Gruffudd ab Cynan sef a'u gelwir felly am iddaw ef eu myfyriaw a'u trefnu gyntaf gan eu tynnu allan o lyfrau . . . Myrddin ab Morfran, a Myrddin ab Emrys Wledig, a Thaliesin . . .'), 'Llymma Drioedd Cerdd a ddangoswyd yn yr Eisteddfod fawr ynghaerfyrddin' (with end note '. . . a Dafydd ab Edmund a' u dangoses ym m. . .aen yr Eisteddfod fawr ynghaerfyrddin . . .'), 'Llymma Drioedd Rhys Nanmor a ddangoses efe yn Eisteddfod fawr Caerfyrddin', 'Trioedd y Gymraeg', 'Trioedd y Gymraeg sef Trioedd Talhaiarn, Ieithyddiaeth (Gramatical)', 'Trioedd Iaith ag ymadrodd cymysg', 'Trioedd Cymmysg, Dychan - Pawl, etc.', 'Trioedd amrafaelion, Pawl, etc., Cerdd' (two only), 'Trioedd Bonhedd' (one only), 'Llyma Drioedd Llawdden Fardd a ddangoses efe yn Eisteddfod gyntaf Caerfyrddin', 'Trioedd Cerdd Meyric Dafydd', 'Trioedd Defodau a Breiniau', 'Trioedd Braint a Defod (Defawd)', 'Trioedd Breiniau a defodau Cenedl y Cymry . . .', 'Hen Drioedd eraill amrafaelion eu pwyll', 'Llyma Amrafaelion o foddion ar Drioedd y Beirdd o amrafael Lyfrau ysgrif', 'Trioedd Serch, Trioedd Llyfr Ben Simon', 'Eraill o Lyfr Owain Jones', 'Eraill', 'Trioedd Arwest', 'Trioedd y Beirdd herwydd Defodau a gofynion Cadair Morganwg', 'Trioedd cymmysg', 'Llyma Drioedd Beirdd a Cherdd', 'Trioedd y mesurau', 'Trioedd y Trioedd', 'Trioedd amrafaelion', 'Llyma Drioedd y Bardd Glas sef ydynt am y mesureu Cerdd Dafawd (a Thrioedd yr Addurneu)', 'Llymma Drioedd o Lyfr Rhisiart Iorwerth', 'Trioedd yr addurneu', 'Trioedd Barddas . . .', 'Trioedd Tir Iarll', 'Trioedd Prydyddiaeth Beirdd Tir Iarll gwaith Abad diweddaf Margam', 'Trioedd Cerdd sef Trioedd y Teuluwr', and 'Llyma Bigion o Drioedd Cerdd dafod Huw Cae Llwyd o Langyfelach cylch y Flwyddyn 1450'.