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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 containing notes, lists, jottings, etc., of an extremely varied nature in the hand of Edward Williams ('Iolo Morganwg') bound into one volume. The contents, pagination in brackets, include a copy of a notice relating to the proclamation in 1816 of the holding of a bardic convention at Pen rhiw'r gwydd in the cantref of Garth Mathrin, co. Glamorgan, in the following year (30-31); a list of 'Druidical altars in Glamorgan' (38-9); brief genealogical data relating to Llywelyn Bren Ail of Sainghenydd [ob. 1317] (45); a list of 'Documents of Welsh History Translated from Ancient British Manuscripts by Edward Williams' and a list of four dissertations relating to early British history, 'ancient Welsh MSS.', etc. [by the said Edward Williams] ? to be published in part form (46-7); another list of source material headed 'By Edward Williams. Welsh Historical Documents Collections for a New History of Wales consisting of Translations of' (48); a list of events, etc., relating mainly to British history A.D. 79 - A.D. 460 (54-5); a brief note on the church and parish of Lanedarn, co. Glamorgan (61); a sketch ground plan of the lay-out of Rumney house and garden (62-3); brief lists or groups of Welsh words (64, 92, 105, 113, 117- 18, 123, 125, 133, 138, 155, 165, 204-12, 218-19, 259, 331-2, 334, 340-41, 361-2, 370, 371, 389); a short pedigree tracing the descent in direct line of Dafydd ap Hopkin from Bleddyn ap Maenarch (68); five draft stanzas of a Welsh hymn and two other stanzas of Welsh verse (70); a list of fifteen items under the heading 'Yniales' being presumably a list of items contained in an alleged manuscript volume bearing that name (74; see TLLM, sub nomine in index); an incomplete note on a meeting of bards and musicians at Castell Nedd, ? 1088, convened by Rys ap Tewdwr and attended by Iestyn ap Gwrgan and his wife and daughter Nest, and the saving of the daughter from Rys's intended abduction of her (73-4); miscellanea including Welsh triads, brief notes on Gower sheep, Hereford Ryelands in Glamorgan, the production of butter in Glamorgan, etc. (72, 75, 77); a list of Welsh names of grammatical tenses (83); a brief note on the village of Wrinston and its neighbourhood [co. Glamorgan] (84); an anecdote relating to Sir Gilbert Stradling's presence with Richard I at the siege of Acres and the creation of the order of the Knights of the Blue Garter (85); miscellaneous notes relating to Welsh triads and their attribution to fictitious names, the basic reasons for the continued existence of the bardic system of Glamorgan, etc. (87-8); a list of mythological items and persons headed 'Damhegion Beirdd Ynys Prydain' (89); an extract from the poem 'Angar Cyfyndawd' from the Book of Taliesin (91); copies of two 'englynion' by [Edward Williams] 'Iolo Morganwg' (94); a remedy for asthma (95); a list of fifteen faults in metre and 'cynghanedd' which should be avoided by Welsh bards according to the Glamorgan system (98); a list of twelve ? subject or chapter headings under the superscription 'A brief analysis of the Cimbric or Welsh language' being ? the outline of an intended article or booklet on the said subject (101-02); a stanza of Welsh verse by [Edward Williams] 'Iolo Morganwg' (106); a list of nine Welsh manuscript sources, e.g. 'Brut y Tywysogion', 'Brut y Saeson', 'Trioedd Ynys Prydain', under the heading 'Works in hand by Edwd. Williams. Collections for the History of Wales' (107); (continued)

Brief genealogies in direct line of Einion ap Gwalchmai and Bleddyn ab Llywarch (107); a list of Welsh proverbs or proverbial expressions (114, 186, 189, 398); nine stanzas of an English patriotic poem transcribed from the Bristol Gazette of 24 August 1803 (115-16); brief notes relating to inscribed stones in Glamorgan and the bardic 'Cadair Tir Iarll' (126); a brief note relating to Taliesin and the Welsh metres and the retention of knowledge of the ancient principles of poetry, etc., in Glamorgan (129); brief notes on Saint Caradoc (132); a note on the boundaries of Glamorgan (135-6); biographical data relating to Edward Ifan, 1716-98 [Presbyterian minister and poet], with transcripts of two commemorative 'englynion' to him attributed to Wiliam Harri 'o blwyf Penderyn' (142-5; see TLLM, and IM, sub nomine in index and more particularly TLLM, tt. 245-51); a note relating to the probable degree of civilisation prevailing amongst the early Cimmeri (149); a transcript of [Horace's Ode XXII from Book 1] (151-2); brief observations by E[dward] Williams on [Thomas] Gray' s poem '[The] Bard' (156-7); a draft version of six stanzas of English verse and a copy of an ? incomplete 'cywydd' by [Edward Williams] 'I[olo] Morganwg' (160-63); a note relating to the extent of Morgannwg and to the bardic 'Cadair Caerllion ar Wysg' and 'Cadair Dinefwr ag Ystrad Tywy' (170 ); a transcript of a 'cywydd' attributed to Ieuan Tew (173-4); a note on the bardic 'Trwyddedog Nawdd' (177); a brief note relating to Cuneddaf Wledig and his sons in North Wales (183); a draft version of an English sonnet written [by Edward Williams, 'Iolo Morganwg'] in December 1792 (185 + 190); the introductory section of proposed notes on the history of Morgannwg allegedly extracted from a volume formerly in the possession of the Reverend Edward Gamais, rector of St. Athan, and then in the hands of Mr. John Spenser of the same parish (187); notes on the implications of civilisation in social polity, religion, social economy, domestic economy, etc. (192-7); an outline of a 'Letter to Napoleon by E[dward] W[illiams] in the Character of a Quaker', in which he sets out, in nine points, his advice to the recipient and his principles for government, etc. (200-03); notes on the organisation of the bards and bardic system by King Arthur (213 + 218); a list of Latin and English names of trees, grasses, etc., under the headings 'Additions to Turton' and 'Not in Bingley' (214-17); a genealogy showing the descent in direct line of Hu Gadarn (218); a stanza of Welsh free-metre verse by [Edward Williams] 'Iolo Morganwg' (219); sketches of, and notes on,? the ruins of Gwern y Cleppa house [co. Monmouth] (220-22); notes relating to resolutions of the Welsh bardic fraternity in 1798 (235-6); a list of 'Rare plants in Glamorgan' (239 + 244); a notice relating to an advertisement concerning a proposed harbour and tramroad at Newton [co. Glamorgan] headed 'Cambrian, Aug. 11th 1819' (241-2); a list of 'Fish in Glamorgan' (247-8); brief architectural notes relating to Coyty Castle and Coyty Church [co. Glamorgan] (250); a draft of a statement [by Edward Williams, 'Iolo Morganwg'] to the effect that certain authors who had published psalms had borrowed lines or couplets from his psalms and not he from theirs (253-4); a brief note referring to W[illiam] O[wen] P[ugh] and [Owen Jones] 'Owain Myfyr' in a derogatory manner (259-60); notes referring to developments in 'cynghanedd', etc., the Emperor Arthur and the bardic 'dosparth y Ford Gron', the rediscovery by Rhys ap Tewdwr, when in exile in Brittany, of books relating to the said 'dosparth y Ford Gron', the bardic chairs 'Cadair Morganwg', 'Cadair Gereinwg', 'Cadair Caerllion ar Wysg yn Nhir Iarll', 'Cadair Urien Reged', 'Cadair Gwynedd a Phowys', and 'Cadair Marchwiail', and 'Gorsedd Beirdd Ynys Prydain' (266-73); extracts from the Welsh Scriptures, all except one being from the New Testament (274-81); philosophical and religious observations (291-302) ? connected with the inscription 'Hints for an Essay on the Christian prophecies now fulfilling in the world' on p. 290; brief notes relating to 'flag and bastard lias' and 'rag lias' soils, an ancient course or rotation of crops on 'flag and bastard lias strong soils' in Glamorgan, species of wheat ? found in Glamorgan, etc. (310-12); (continued)

A formula for making 'water cement for cisterns, etc., or to plaister walls in houses to keep out water' (313); notes headed 'Farming Calendar, Glam[ organ], from observation', outlining the work to be done in every month of the year (314-17); names of the parts of speech in Welsh and a list of the letters of the Welsh alphabet (333 + 330); a brief note relating to Welsh literature in the Middle Ages (338); a Welsh version of an inscription on a column erected by the inhabitants of 'Môn ag Arfon' to honour Henry William, Marquis of Anglesey, and his heroism whilst fighting in Spain and at the battle of Waterloo (342); a short list of 'Silurian idioms' and 'Deudneudisms' (346); a list of Biblical texts ? containing references to the devil (347 + 352); a copy of what, by inference, was the allegedly concluding passage of the work called 'Cyfrinach Beirdd Ynys Prydain' in which the reputed author, Llywelyn Siôn of Llangewydd, co. Glamorgan [poet and copyist], claims that he extracted his information from various volumes in Raglan Castle [co. Glamorgan] in the possession of Sir William Herbert ('o Lyfrau Lewys Morganwg . . . ag o hen lyfrau eraill yno nid amgen na Llyfrau Edeyrn Dafawd aur'), and a copy of a note attributed to Edward Dafydd stating that the said Sir William had intended setting up a printing press in Cardiff Castle to print the Welsh works ('i brinto'r Llyfrau Cymraeg'), that he had died before doing so, and that Raglan Castle and its library ('a'r cyfan o'r llyfrau') had been set on fire by the followers of Oliver [Cromwell] (349-50); a list of five triads headed 'Trioedd Iaith ag ymadrodd' (353); draft stanzas of Welsh religious verse ? hymns (355); notes relating to metrical feet - 'corfannau cerdd dafod' (367- 8); a brief note on Ceraint Fardd and his contribution to 'cynghanedd' (369); an extract from the Gent[leman's] Mag[azine], December 1795, relating to a brass sword discovered at Buildwas, co. Salop (370); a list of 'Gower villages' (381 + 378); a transcript of a 'cywydd' attributed to Ior[werth] Fynglwyd (385-7); pencil sketches of ? sections of Dunraven peninsula (388 + 390); a brief biographical note relating to Rhydderch ap Ieuan Llwyd of Glynn Aeron (392); miscellaneous stanzas of Welsh free- and strict-metre verse including a 'tawddgyrch cadwynog' attributed to Gwilym Tew 'o Lynn Taf' and two free-metre stanzas by [Edward Williams] 'Iolo Morganwg' (393-6); versions of an 'englyn' in Latin, English, and Welsh, the Latin version bearing the name of Daf. Nicolas (399); an 'englyn' by [ Edward Williams] 'Iolo Morganwg' (399); a twenty-point plan being a 'Sketch of a New System whereon a Religious Society may be formed' (400-09); a list of 'Meteorological observations and adages collected in Glam[organ]' (422-5); brief extracts from the poems of Cynddelw (97, 104, 206), Tudur Aled (133), Rhys Goch ap Rhiccart (138), D[afydd ap] G[wilym] (141), and Ed[mund] Prys (369); and other miscellanea. Pp. 191, 255, 260, 364, 397 contain lines of musical notation being possibly in some instances the airs of tunes. Notes in some instances have been written on the verso or in the margins of the following, pagination in brackets, - an undated ? holograph letter from Thomas Rhys to Edward Williams (seeking aid for H. Walters) (53); a ? holograph letter, 1812, from John Bishop Estlin from Bristol to Thomas John of St. Athan (recipient's eyesight, the writer was sending two pairs of glasses) (71 + 76); an account from Taliesin Williams to Mr. Bradley in respect of cutting letters and painting (87); an incomplete holograph letter from Edwd. Williams to Sir Robert L. Blosse, Bart. (personal) (106); an undated holograph letter from Thos. William from Froom, Sumnerset, to his sister (he was at work 'in this town', his brother [Edward Williams, 'Iolo Morganwg'] could have work 'in the Marble way' at Devizes for fifteen shillings a week) (131 + 140); a copy of a printed prospectus advertising a proposed new edition of poems by Charles James (147-8 and two unnumbered pages between p. 154 and p. 155); a copy of a printed circular from John Walter from Piccadilly, 1790, offering his services as an agent at the approaching General Election (150 + 153); a note in the third person, January 1815, from Dr. Prichard inviting Mr. Williams and his son to dinner (158); a copy of a printed account of the receipts and payments of the Cymmrodorion Society on behalf of the churchwardens and parishioners of the parish of Trefdraeth, co. Anglesey, in their suit, 1769-1773, against Dr. Bowies, rector of the parish, concerning the legality of presenting non Welsh-speaking incumbents to livings in Wales (two unnumbered pages between p. 204 and p. 205 and two unnumbered pages between p. 210 and p. 211); an incomplete draft of a petition from Edward Lloyd, schoolmaster, to persons in the town and vicinity of Neath, recounting his war service, 1756-1763, on board H.M.S. Trident (212 + 2190); a receipt, 8 February 1794, from J. C. Matthews [bookbinder] to Mr. Williams [? Edward Williams, 'Iolo Morganwg'] for sixteen shillings received by the hand of Mr. Bingley 'for 100 Setts Poems', and a note from W. Bingley to [? Edward Williams] relating to the said account and 'your other binders bill' (234 + 237); a copy of printed proposals for publishing Edward Williams's two volumes of English poems Poems Lyric and Pastoral (263-4, 290 + 309); and a copy of printed proposals for publishing in monthly parts Hanes Bywydau, Dioddefiadau, a Marwolaethau y Merthyron Cristianogol translated from the English martyrology of [John] Fox[e] with other additional material (327 + 336).

A composite volume containing miscellaneous material in the hand of Edward Williams ('Iolo Morganwg'). The contents include p. 1, a copy of a proclamation announcing the holding of an 'eisteddfod' at Caerwys, co. Flint, in the year 1523; 2-26, extracts from, or versions of, the statutes for regulating the organisation and conduct of Welsh bards and musicians associated mainly with the name of Gruffudd ap Cynan; 26-35, a series of triads with the superscription 'Llymma Drioedd Gruffudd ap Dafydd Ychan'; 39-43, a copy of an 'Awdl perthynol i'r Rhyfel bresenol ag America' attributed to I[orwerth] ap G[wilym]; 49-60, transcripts of two Welsh poems attributed to Llywarch Brydydd y Moch and Cynddelw Brydydd, three 'englynion' from 'Llyfr Hir Llanharan', and an 'englyn' attributed to Siôn y Cent; 65-94, transcripts of miscellaneous Welsh verse including a series of twenty-two stanzas with the superscription 'Llyma'r Englynion a fu rhwng Trystan ab Tallwch a Gwalchmai ab Gwyar . . . ', 'Casbethau Arthur', stanzas from the 'Black Book of Carmarthen' attributed to Taliesin, a sequence of twenty-seven stanzas ('Gwasgargerdd Merddin yn ei Fedd') attributed to Myrddin ab Madawg Morfryn, a 'marwnad' attributed to Gruffydd Llygad gwr, a four-line 'darogan' attributed to Peredur Fardd, thirty stanzas from the 'Red Book of Hergest' entitled 'Ymatreg Llywelyn a Gwrnerth', forty-four stanzas with the superscription 'Tribanau yr Eiry Mynydd ar y mesur a elwir yr Hen Driban' attributed to Mab claf ab Llywarch or Llywarch Hen, and a further series of twenty stanzas with the superscription 'Llyma Englynion Eiry Mynydd eraill . . .' attributed to Ystyffan Bardd Teilo or Talhaiarn; 97-101, a list of the twenty-four traditional Welsh accomplishments ('Y Pedair Camp ar hugain'); 103-24, transcripts of 'cywyddau', etc., attributed to Bedo Philip Bach, Howel Dafydd ab Ieuan ab Rhys, Gr. Hiraethog, Siôn Mawddwy, Dafydd ap Gwilym, Trehaearn Brydydd Mawr, and Gutto'r Glynn, and of a series of 'englynion' to commemorate the year of accession of every English monarch during the period 1067-1558, these last being attributed to Berud ap yr Ynad Coch, Bleddyn Ddu, Cynddelw Brydydd Mawr, Llywelyn Fardd, Dafydd y Coed, Harri Haram Param, Llefot Wynebcolawr, Cyssymdaith Llefot Wynebcolawl, Mabwaith Hengrys o Ial, Llygad Gwr, Llywelyn ap Hywel Wrnerth, Gwilym Ddu 'o Arfon', Dafydd Bach ap Madoc Gwladaidd, Hywel Ystorun, Daniel Llosgwrn Marw, Dafydd Eppynt, Ieuan Brydydd Hir, Bleddyn ap Ieuan Hen, D. ddu, Ierwerth Fynglwyd, Rhys Nanmor, Hywel ap Bleddyn Mathew, Owain y Bardd 'o Wynedd', and Huw Arwystli; 129-35, a list of mainly Welsh authors who had written about the island of Britain ('am holl ynys Brydain') and of Welsh bards who had written of the three regions of Wales ('tair talaith Cymru'), etc.; 137, receipts for making ink; 138-9, transcripts of the Lord's Prayer in Welsh as versified by Dafydd Benwyn, and of 'englynion' attributed to Thos. Llen. 'o Regoes', Daf. o'r Nant, and Iolo Morganwg; 140-50, a transcript of a letter from Dafydd Tomas from Pandy'r Ystrad to Dafydd Rhys touching upon the course of the Reformation and the rise of Nonconformity in Glamorgan and mentioning Rhawlins White, Siôn Penri, William Erbri, and Walter Cradoc, and a translation of the Bible into Welsh by Tomas Llywelyn 'o Regoes' (the text of this letter was published in L. J. Hopkin James and T. C. Evans: Hen Gwndidau, Carolau, a Chywyddau . . . (Bangor, 1910), pp. 207-13; for doubts as to its authenticity and the opinion that it was composed by Edward Williams himself see TLLM, tt. 127, 245); 151-3, an anecdote relating to Gwilym Hir Saer and three stanzas in the 'triban' measure attributed to him; 154-64, two versions of 'Dengair Deddf y Beirdd' or 'Dengair Deddf Beirdd y Cymry' (published in James and Evans: op. cit., pp. 199-207); 165-74, a transcript of a letter from Dafydd Nicolas ? of Aberpergwm from Glyncorrwg to Edward Han of Aberdar, 1754, in which the writer gives his views on the relative merits of Welsh strict- and free- metre verse (the text of the letter was published in Taliesin . . ., cyf. I, 1859-60, tt. 92-5; for doubts as to its authenticity and an opinion that it was composed by Edward Williams himself see TLLM, tt. 241, 290-92); 175-6, a short chronicle of events in Welsh history, 1221-1419; 177-216, transcripts of Welsh poems attributed to Howel ab Owain Gwynedd, Casnodyn Fardd, ? Cynddelw, ? Teulu Owain Cyfeilyawc, Prydydd y Moch, Meilir Brydydd, Bleddyn Fardd, Llywelyn Fardd, Taliesin, Rhobin Ddu, Y Bergam o Faelor, Ieuan Trwch y Daran, D. ab Edmund, Ieuan Tew Hen, and Lln. ap Guttun, and miscellaneous extracts; 217, a copy of the prophecy of Friar Bacon ('Prophwydoliaeth y Brawd a elwid Ffreier Bacon'); (continued)

218-21, miscellanea including transcripts of two 'englynion' attributed to Sir Huw Dafydd and Thomas Powel, and a list of the cantrefi and cymydau of Morganwg 'ex Havod MS.'; 222-4, miscellaneous domestic and medicinal recipes; 243-5, a copy of a foreword reputedly written by Benjamin Simon in 1754 to a collection of the poems of Dafydd ap Gwilym; 246-52, transcripts of Welsh poems attributed to Ieuan Tew o Gydweli and Edward Llwyd; 253-5, a list of castles in Britain ('Caerau Ynys Prydain sef y Prif Gaerau'); 255-69, transcripts of miscellaneous 'englynion', three triads, and poems attributed to Siams ab Harri 'o Euas' and Gruffudd ap Ieuan ap Llywelyn Fychan; 270-87, transcripts of series of 'sayings', proverbs, triads, etc., with the superscriptions 'Saith gamp a ddylai fod ar wr', 'Saith ymofynion a'u hattebion', 'Geiriau Gwir Cattwg Ddoeth', 'Gorddodeu Cattwg ddoeth', 'Gorddodeu'r Hen Gattwg o Ial', 'Synnidau Cattwg Ddoeth', 'Trioedd amrafaelion', 'Diarhebion amrafaelion', 'Diarhebion Cenhedlig a Lleol', 'Llyma Ddiarhebion Tymmor a Thywydd', and 'Diarhebion Meddygol'; 287-95, a sequence of fifty-three stanzas entitled 'Englynion yr Eira Gwyn ar Ddiarhebion'; 296-323, transcripts of miscellaneous Welsh prose and verse items including prose items headed 'Llyma wyth llawenydd y Nef', 'Llyma Rinwedd y Ceiliog', 'Cas Betheu gan Dduw', 'Wyth o Drioedd', 'Naw Gradd yr Awgrym', 'Naw gradd Carrenydd', 'Llyma y pum achos sydd i gadw achau', 'Nodau Rhifyddiaeth yr Hen Gymry', 'y Llythyrenau Cymreig Hen a Newydd', 'Tri chynghor a roddes Iesu Grist iddei Ganlynwyr', 'Enwau Ynys Prydain a'i Rhag ynysoedd a'i chaerydd', and 'Hwedl Rhitta Gawr', 'englynion' attributed to Dafydd Benwyn 'o Forganwg', Edward Dafydd 'o Fargam', and Ieuan Gethin ab Ieuan ab Lleison, twenty-six stanzas attributed to Rhys Llwyd Brydydd 'o Lanharan', and verse attributed to Merddin Emrys, Taliesin, and Goronwy Owain; 324-438, transcripts of Welsh poems, mainly 'cywyddau', attributed to Iolo Goch, Gwilym ab Ieuan Hen, Rhys ab Cynfrig Goch, Dafydd ab Edmwnd, Iorwerth Fynglwyd, Thomas Llywelyn, Lewys Môn, Rhys Nanmor, Huw Cae Llwyd, Rhys Goch 'o'r Eryri', Siôn Philib, William Llyn, Rhisiart Fynglwyd, Rhys Llwyd ab Rhys ab Rhisiart, Meredydd ap Rhys, Ieuan Du'r Bilwg, Siôn y Cent, Ieuan Cae Llwyd, Tudur Aled, Syr Owain ab Gwilym, Owain Gwynedd, Taliesin, Dafydd Llwyd ab Llywelyn ab Gruffydd 'o Fathafarn', and Siôn Mowddwy; 439-42, transcripts of items with the superscriptions 'Gweddi Talhaearn . . .', 'Y Deuddeg Prif Gynnegolion . . .', 'Llyma Bennill Cadair Gorsedd Alban Arthan', 'Llyma Weddi'r Orsedd', and 'Cylch Byd a Bywyd', and examples of the strict metre known as 'gorchest y beirdd'; 459-95, transcripts of poems attributed to Dafydd ap Gwilym and some unattributed poems; 555-65, three sequences of stanzas (16, 13, and 8) with each verse commencing 'Coronog Faban' attributed to Aneurin Gwawdrydd or Gildas ap y Caw, Jonas Athraw Mynyw, and Rhys Goch 'o Eryri', with comments on the three series; 566, transcripts of four stanzas of Welsh strict-metre verse attributed to Rhys Llwyd and Iorwerth Fynglwyd; 571-86, a version of the statute relating to Welsh bards and musicians associated with the names of Gruffudd ab Cynan and Bleddyn ab Cynffyn; 587-9, notes relating to an 'eisteddfod' held by Rhys ab Gruffydd in Cardigan and rules formulated relating to the bards and 'eisteddfodau'; and 590-626, transcripts of miscellaneous Welsh prose and verse items including notes headed 'Llyma fal y dychre Dosparth ar Gelfyddyd cerdd dafawd yn Llyfr Iago ab Dewi', series of triads with the superscriptions 'Llyma Drioedd o hen Lyfr Tre'r Eos', 'Llyma Drioedd Gwilym hir, saer Hopkin ap Thomas ab Philip', and ['Trioedd] o Lyfr y Dr. Williams o Gaernarfon', Welsh poems attributed to Taliesin, Iorwerth Beh, Mabclaf ab Llywarch, and ? Daniel Llosgwrn Mynyw, a version of the bardic statute associated with the name of Gruffudd ap Cynan, prose items with the superscriptions 'Llyma Gasbetheu Doethion Rhufein', 'Dewisa Gwr nid amgen', 'Saith rhodd yr Yspryd Glan', 'Llyma Ddewisolion Dafydd Maelienydd', and 'Dewisolion Hywel Ystoryn', and an anecdote relating to Huw Llwyd Cynfel, brother of Morgan Llwyd 'o Wynedd'.

Miscellaneous papers and booklets containing prose and verse items in the hand of Edward Williams ('Iolo Morganwg') bound into one volume. Verse items, pagination in brackets, include transcripts of strict- and free-metre Welsh poems, sometimes a single stanza or 'englyn', or extracts from Welsh poems attributed to Llywarch Brydydd y Moch (6), D. Edmund (18, 430), Howel ap Syr Mathew (20), Thomas Llywelyn 'o Regoes' (? 21-4, 226 with a note relating to the poet's son), Dicc Hughes (24, 119-26 ), D. Lld. Math[afar]n (24), Syr Lewys ab Huw 'o Fochnant' (25-30), Thomas Evans (31-7), ?Huw Dafydd (37-44), Llywelyn ap Hywel ap Ieuan ap Gronwy ( 56-7), Bedyn Wilco (65-6), Huw Dafydd (68-71), Thomas ap Gwilym 'o Ferthyr Tudfyl' (73-5), Wiliam Sawndwr (83-4, 103-05; see IM, t. 302), Siôn Lewys Hywel 'o Lantrisaint Meisgin' (93-4), Thomas ab Ifan 'o Dre Brynn' (94-6), Llywelyn Deio Pywel (96-8), ? Siencyn Lygad Rhawlin (100-03), Twm ab Han ab Rhys (105-08), R. Hughes (126-32), Llywelyn ab Hwlkyn 'o Fôn' (133-6), ? Watcin Dafydd 'o Ben y Bont' (175 + two unnumbered pages following), Gronw Gethin ab Ieuan ab Lleison 'o Faglan' (185-6), Dafydd Nanmor (186), Dafydd Thomas 'o Dregroes' (187-8), Rhys ap Ioccyn 'o Dre-golwyn' (189-91 with an added note thereon by 'Iolo Morganwg'), Siôn Morgan 'argraffydd o'r Bont Faen' (213-14), Siôn Wiliam 'o Landathan' (214-16), Efan o Lan y Lai (227), Iorwerth ap Sierlyn (231), Gwilym Tew 'o Lynn Taf' (232), Emion Offeiriad (263-4), Daf. ab Gwilym (273, 277-8), y Parchedig Dafydd Dafis 'o Gastell Hywel' and 'o Lwynrhydowen' (274-6), Rhys Meigen (277), William Walters (297-304), Dr. T. Wms. (314), Taliesin (316), Siôn Philip (316), Edmund Prys (316, 383-91), Ed. Richard (316), Huw Caerog (323, 392), Huw Llyn (323, 392 ), Huw Pennant (323, 393) William Cynwal (323, 393), Huw Ednyfed (324), Gruff. ab Lln. Fychan and Ifan Brydydd Hir jointly (324), Lewis Môn (324), D. Edmund (331), Merddin Emrys (336), Syr Wiliam Herbart (340), Hywel Dafydd ap Ieuan ap Rhys (340), Owen Brereton (341), Tudur Aled (383), Wm. Byrkinshaw (392), Ieuan Tew (392), R. Dafies, Escob Mynyw (393), Siôn Tudur (393), [Edward Williams] 'Iolo Morganwg' (423-?25), Wm. Llyn (430), Robt. Clidro (430), Howel Bangor (430), and Madawg ab Merfyn Gwawdrydd (431-2); transcripts of unattributed Welsh verse (17-20, ? 37-40, 45-56, 57- 64, 66-7, 98-100, 136-43, 145-50, 202, 227-9, 258, 316, 317-21, 327, 331, 334, 449-54, 461); and also transcripts of English verse (72, 330). Prose items, pagination in brackets, include a brief paginated list of events recorded in W. Wynne: The History of Wales (1-2); genealogical data relating to the descendants of Brychan Brycheiniog based upon the data in the appendices to Theo[philus] Jones [: A History of the County of Brecknock, vol. I, 1805] (3-6); notes relating to the Welsh medical treatise 'Meddygon Myddfai' (8-10); an extract from [The] Myvyrian Archaiology [of Wales], vol. II (11); a note relating to a manuscript allegedly once in the possession of Dafydd Rhisiart 'o Landocheu'r Bont Faen', which had contained, inter alia, some twenty poems by Wil. Hopcin (85); a brief comment on the Welsh language (92); a note relating to Owain Glyn Dwr's activities in Glamorgan allegedly extracted from a manuscript history in the possession of the Rev. Thos. Bassett of Lanelay (151-2); a brief note on Cae Llwyd in the parish of Llangyfelach [co. Glamorgan], home of the poet Huw Cae Llwyd, and on Ieuan ap y Diwlith (155); a note relating to the antiquity of the Cymmry (Kimmeri) as a nation and of the word itself as a national appellative (157); brief data re the descent of King Arthur (158); a list of slanderous epithets for the use of which Margaret John Harri had been excommunicated at Llandaff Consistory Court in 1816 (159); a list of ministers of religion who had attended an annual meeting [? of Unitarians] at y Gelli onnen [co. Glamorgan] in 1813 (161); a copy of a fable re a king and three wise men (177-80); an anecdote relating to the origin of the fruit trees at Margam [co. Glamorgan] (181); 'sayings' attributed to Taliesin ('Gwiredd Taliesin') (182); an anecdote relating to Taliesin and Cattwg Ddoeth (182-3); notes on Welsh poets, 14th- 17th cent. (193-201); a list of five subject headings under the superscription 'Bards, Topics for History of' (202); medicinal recipes ? from 'Meddygon Myddfai' (203); a short list of Glamorgan proverbs (208); a copy of the proclamation of an 'eisteddfod' to be held at Caerwys, co. Flint, to July 1523, extracted from Siôn Rhydderch [: Grammadeg Cymraeg, 1728] (219-20); a list of 'sayings' attributed to Saffin (220-23); a copy of a parable relating to a blind man's search for riches (224-6); a note on Cwrt Aberavan in the parish of Margam [co. Glamorgan] and a list of 'Parselon Margam' (230); a note on the poet Rhydderch ap Ieuan Llwyd (231); (continued)

A list of the early kings of Britain and of the Britons back to the time of Brutys and Eneas Ysgwyddwyn (233-6); a copy of a parable relating to a rich man and a hermit (236-9); brief notes relating to certain physical features in the parish of Merthyr Tudfyl, co. Glamorgan, and to Hywel Rhys, the bard, and his descendants, and references to Blaen Cannaid, Llwyn Celyn, and Cwm y Glo and other Nonconformist meeting houses [in co. Glamorgan] (239 + 242); a copy of a memorial inscription to Morgan Herbert of Havod Uchtryd, co. Cardigan, ob. 1687/8, in Eglwys Newydd Church near Havod, and of an inscription relating to the history of the church (240-42; see S. R. Meyrick: The History and Antiquities of the County of Cardigan, London, 1810, pp. 347-51); brief notes on the dates of the conversion of 'Daenmarc', 'Llychlyn', 'Gwyddelod y Werddon', 'Gwyddelod yr Alban', and 'Gwyddelod Môn ag Arfon' to the Christian faith (257); a brief note relating to markets at Castell y Coetty and Pen y Bont ar Ogwr ? temp. Henry VIII and previously (258); brief notes relating to Sir Edward Stradlin [n.d.] and Thomas Stradlin, temp. Henry VIII (259); notes relating to Welsh strict metres, Elisse ap Gwalchmai 'o Ial', and Dafydd ap Gwilym (264-5); genealogical data headed 'Achau Morganiaid Tredegyr' ( 266-7); medicinal recipes, some from 'Meddygon Myddfai' (268-70, 287-91); brief miscellanea extracted from Panton MS 30 [now NLW MS 1999 (313- 14); an account of the return of Brân ap Llyr from captivity in Rome accompanied by the saints Ilid, Cyndaf, and Meugant Hen (329); comments on the authenticity of Welsh manuscripts ? containing medical material with mention of three such manuscripts, and twelve points ? relating to a pre- sixteenth century manuscript of this nature ? in Jesus College, Oxford (332-3); a list of eight 'sayings' attributed to Cattwg ddoeth (333); notes on the 'three primary or fundamental attributes of God' (335); a brief geographical / geological note relating to the Llangyfelach area [co. Glamorgan] (335); an anecdote relating to Llywelyn Bren and Sir Wiliam Flemin (360; an explanatory comment on Henry Salisbury's wrong definition of the word 'cler' (361); notes relating to the use of the 'Silurian dialect' in Welsh prose and verse of the Middle Ages in North and South Wales and comments on 'anglicisms, English construction, and English idioms' in the Welsh translation of the Bible (363-5); a list of family names to illustrate a Glamorgan custom of 'prefixing the Article to the surnames of the Gentry' (366); a list of places in Glamorgan with, in some instances, specific natural features, antiquities, etc., associated therewith, short lists of locations of inscriptions, caves, and cromlechs [in co. Glamorgan], etc. (367-9); a list headed 'Subscribers - 1804' containing seven names but naming no publication (370; a list of the names of thirty-four Welsh poets, 13th-16th cent., literary historical manuscript volumes or works such as 'Llyfr Coch Hergest', 'Brut y Brenhinoedd', etc. (373-4); a note relating to the convention of poetic contentions (391); an anecdote relating to Gutto'r Glynn at an 'eisteddfod' held in Cardiff Castle under the patronage of Sir Wiliam Herbert (394, for the ending see p. 340); a list of 'sayings' attributed to Cattwn Ddoeth all commencing with the word 'Tryw' (401); a list of nineteen items relating to Welsh bardism, music, grammar, etc., headed 'Jones Gelli Lyfdy MS. No. 120' being presumably an incomplete list of the contents of one of the manuscripts of John Jones of Gelli Lyfdy [co. Flint; ob. ? 1658] (407- 09); poetic extracts to illustrate the meaning of specific Welsh words (415-16, 418, 457-9); a note relating to dialects in Wales (427); a list of ten points or topics under the heading 'Plan of a Religious Society' (442); a list of 'Casbethau (or Casddynion) Selyf Ddoeth' (447); brief notes relating to Welsh bardism from the time of Gwrtheyrn Gwrtheneu to the time of the 'eisteddfod' at Caerfyrdd[in] convened by Sir Gruff. Nicolas (477-8); notes relating to Welsh metres and versification (479-87 ); notes on the connection between Cynddelw, Einion Offeiriad, Tryhaearn Brydydd Mawr, Gwilym Tew, Owain ab Rhydderch, Dafydd Llwyd Mathew, Dafydd Ddu o Hir Addug, and Dafydd ab Gwilym and certain Welsh poetic metres, a list of metres as arranged by Dafydd Llwyd Matthew, and another such list from 'hen Lyfr arall' (488-92); incomplete notes containing references to bardic topics such as 'sefydliad Dosparth Caerfyrddin', 'Eisteddfod Gyntaf Caerwys, 1525', 'Ystatut Gruffudd ap Cynan', 'Dosparth y Ford Gron', and 'Dosparth Tir Iarll' (503-04); miscellaneous genealogical data (249-51, 268, 315); miscellaneous Welsh triads (155, 217-19, 244-5, 247, 271-2, 359, 402, 445-6, 448, 466); and lists or groups of Welsh words, with, in some instances, definitions, illustrative examples, etc., or notes on Welsh words (7, 12, 243, 315, 336, 341, 359-62, 399-406, 411, 427, 429, 441-2). In one instance notes have been written across the face of a printed leaflet announcing the printing by subscription of Edward Williams's two volumes of English verse Poems Lyric and Pastoral (7 + 10).