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An incomplete volume (ff. 1-85, 176-243) consisting largely of cywyddau and englynion by Sion Kent, Sion Tudvr, Grvffydd Grvg, Meredith ap Rees, Will'm ap Sion ap D'd, Gruff' Hiraethog, Will'm Llynn, Huw Arwistl, D'd ap Edmwnd, D'd ap Gwilim, Rob't Leiaf, Rys Goch or Yri, Mastr Hari, Ifan Tew Brydydd, Gytto Glyn, Sion Philipp, Roger Kyffyn, Ievan Fychan, Sr. Davydd Trevor, Tudur Penllyn, Rowland Fychan, Tomas Prys, Evan Tudvr Owen, Ievan Brydydd Hir, William Elias, Tudur Aled, Gruff' ap Ievan, Rys Pennarth, Bedo Aerdrem, Bedo Brwynllys, Iolo Goch, Ellis Rowland, Howel ap D'd ap Ievan ap Rys, D'd Namor, D'd Ddv o Hiraddvc, Lewys Glyn Kothi, Howel ap Ievan ap Rys, Owen Gruffydd, Michael Prichard, Edmwnd Price, Hughe ap Ed'd Lloyd, Rice Kain, Richard Hughes, [Richard Davies] 'Escob Dewi', Ed'd Maelor, Ievan ap Tudvr Penllyn, Harrie Howell, Sion Kain, and Robin Ddv. Towards the end of the volume there are short texts such as englynion in Latin, 'llyma gas bethav Owain Kyveiliog', 'xxiiij gwell', 'Geirie gwir Taliesin', triads, proverbs, the nine grades of kinship, medical recipes, 'Llyma henwau y pedair Caingc ar ddeg Cydwgan a Cyhelyn', and 'Henwau'r pedwar Gosdeg Cerdd dannau'. The greater part of the manuscript was written in the seventeenth century; but there are additions and marginal notes to the nineteenth century. There is an index ('Tabl y llyfr') to ff. 1--76, in a seventeenth century hand. Between ff. 4 and 6 are inserted two leaves (pp. 129-30, 135-6) of David Jones (Trefriw) (ed.): Cydymaith Diddan (Caer Lleon [1766]).

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.

A composite volume containing transcripts of prose and verse items in the hand of Edward Williams ('Iolo Morganwg'). Pp. 1-80 contain transcripts of Welsh poems, almost entirely 'englynion', by, or attributed to, Llywelyn ab Rhosser 'o Sainffag[an]', Dafydd Llwyd Mathew, Dafydd ap Siencyn Fynglwyd, Richd. Watcins, vicar Llanellen, Thomas Llywelyn 'o Regoes', Llywelyn Thomas, Edwd. Dafydd 'o Fargam', Siôn y Cent, Siôn Morys 'o Lanfabon', Thomas Lewys 'o Lechau', Rhys Brychan, Hywel Bwr Bach, Huw Cae Llwyd, Dafydd Benwyn, Iorwerth Fynglwyd, Morys Cyffin, Hopcin Thomas 'o Faglan', Rhaff ab Rhobert, Siôn Tudur, Gwerfyl Mechain, Rhobert Cludro, Tudur Aled, Dafydd ap Edmwnd, Hywel ap Syr Matthew, Bleddyn Siôn 'o Lancarfan', Hywel Llwyd, Dafydd ap Gwilym, Siôn Philip 'o Hendrewaelod', Lewys Morys, Dafydd, abad Margam, Dafydd Dafies 'o Gastell Hywel', Iolo Morganwg, Huw Llwyd Cynfel, Siôn Cydewain, Llawdden, Syr Lewys Mochnant, Lewis Môn, Roger Cyffln, Syr Ifan o Garno, Wiliam Byrchinsha, Ednyfed Fychan, Cwnin Brydydd, Twm Siôn Catti, Lewys Morganwg, Rhys Brydydd, ? Lewys Glyn Cothi, Dafydd Nanmor, Jenkin Richards 'o Flaenau Gwent', Ieuan Gethin ab Ieuan ab Lleision, Siôn Brwynog, William Cynwal, Richard Huws, Dr. Morgan, esgob Llanelwy, Lewys Powel, William Middelton, Hopcin Tomas ab Einiawn, Elis Drwynhir, Harri ap Thomas ap Wiliam 'o'r Ddiserth', Grufydd Hiraethog, Morys Dwyfech, Owain Gronw, Hywel ap Rhys, Syr Lewys Gethin, Richard Cynwal, Roger y Gwydd, Edmwnd Prys, Dr. R. Davies, esgob Ty Ddewi, Rhys Cain, Huw Roberts Llun, Rhisiart Iorwerth 'o Langynwyd', ? Huw Ednyfed, Einion ap Dafydd Llwyd, Rhydderch Roberts, Syr Lewys y defaid, Syr Lewys Anwyl, Robert ab Han, Syr Ieuan Brydydd, Syr Owain ap Gwilym, Catherin ferch Howel, Wiliam Llyn, Owain Gwynedd, Dafydd Alaw, Evan Llwyd Sieffre, Morgan ap Huw Lewys, Robert Dafydd Llwyd, Wiliam ap Hywel ap Tomas, Morys Parri Llen, Ifan Siôn 'o Wedir', and Sils ap Siôn, and other unattributed poems. The inscriptions on p. 81 and p. 83 and the note on p. 82 appear to indicate that they were intended as cover and 'title-page' respectively for a home-made booklet containing a corpus of 'englynion' by Jenkin Richards of Blaenau Gwent, co. Monmouth, extracted mainly 'o Lyfrau Harri Siôn o Bont y Pwl a Llyfr ym Meddiant Rhys Thomas, Argraffydd o'r Bont Faen ym Morganwg', but only four 'englynion', presumably meant to be attributed to this poet, follow on p. 84. Pp. 91-198 contain miscellaneous items including 91-2, notes headed 'On the oldest places of Christian Worship in Wales'; (continued)

93-7, 105-06, notes, generally derogatory, on the character and literary and metallurgical activities of Lewis Morris; 100- 04, notes on 'Welsh Ideas of Celibacy'; 122-8, a transcript of thirty 'englynion' entitled 'Ymatreg Llywelyn a Gwrnerth' attributed to Tysiliaw fab Brochwel Ysgithrawc; 130, a note relating to an 'eisteddfod' held at Y Pil (Pyle, co. Glamorgan), 1740; 131- 41, notes relating to 'singing to the harp', the 'bardd telyn', carol and 'alsain' verse, the adapting of verse to music, etc.; 147-62, transcripts of 'englynion' attributed to Rhobert, Tywysog Norddmanty, Morys Kyffin, Wm. Byrchinsha, and Gutto'r Glyn, extracts from the works of various Welsh poets, etc.; 167, a version of William Midleton's introductory epistle [to his Bardhoniaeth neu brydydhiaeth, y llyfr kyntaf (Llundain, 1593)] copied 'Ex Vol. 40. Mr. Panton' [i.e. Panton MS.40 now NLW MS 2008]; 168-9, five stanzas of a hymn tune attributed to Elis Wynn; 169, a transcript of two 'englynion' attributed to Dr. [John] Davies; 171, a list of the commotes and hundreds of Glamorgan copied from '68. P.P.' [i.e. Panton MS 68 now NLW MS 2034]; 175-88, an alphabetical list of Welsh bards 'o Lyfr D'dd Ddu o'r Eryri'; and 188-98, miscellanea including transcripts of 'englynion' attributed to Siôn Mawddwy, Ieuan Tew, William Philip, and D[afydd] ab Gwilym, miscellaneous triads, genealogical data relating to various Welsh bards and Syr Rhys ap Thomas, etc. Pp. 207-390 (previously paginated 1-184) contain a collection of maxims, proverbs, triads, sayings, etc., attributed to Cattwg Ddoeth and described on a 'title-page' to the section ( p. 199) as 'Llyma Ddoethineb Cattwg Ddoeth o Lancarvan' and in a concluding note (p. 390) as 'Llyfr y cyntaf y Gwyddfardd Cyfarwydd'. In a note on the aforementioned 'title-page' (p. 199) Edward Williams claims to have transcribed this collection in 1799 from a manuscript in the possession of Siams Thomas of Maerdy Newydd, co. Glamorgan. Preceding and following the actual text of the collection are transcripts of a prefatory letter dated 1685 (pp. 201-06) and of the concluding note already referred to (p. 390) both of which are attributed to the Glamorgan scribe and copyist Thomas ab Iefan of Tre Bryn as compiler of the manuscript from which Edward Williams was allegedly copying (see TLLM, t. 172; IM, tt. 291-4). Pp. 391-477 contain a transcript of a collection, in alphabetical order, of over three thousand Welsh proverbs attributed to Cattwg Ddoeth ('Llyma Ddiarhebion Cattwg Ddoeth . . . sef yw hwnn Ail Lyfr y Gwyddfardd Cyvarwydd'). This collection, according to the aforementioned note at the end of the preceding section (p. 390) attributed to Thomas ab Iefan, had been compiled by the said Thomas from various sources and formed a continuation of the previous section. Edward Williams's claim with regard to the Siams Thomas volume is probably intended to apply to the contents of pp. 391-477 as well. The contents of pp. 199-390 have been published in The Myvyrian Archaiology of Wales . . ., vol. III (London, 1807), pp. 1-99.

A volume of 'englynion' entitled 'llyfr wiliam Siôn o fryn saeth', and partly in the hand of David Jones ('Dewi Fardd'). Many of the 'englynion' are unattributed, and the few poets represented in the volume are William Cynwal, Lewis Glyn Cothi, Ellis ap Llew[elyn], Rhys ap Niclas, Sion Philip, Dr. Sion Siengcin, Lewis Menai, Owen Jones ('o dref machynlleth'), Sion Tudur, Thomas Eufan, Ed'd ap Raff, Wm. Sion Wyn, Da'dd Siengcin, Iolo Goch, Dafydd Jones ('o Drefriw, tan yr yw', 'Dewi Fardd', 'Dewi Sion'), Moris Powel, Hyw Morris ('ar ei glafwely'), William Philip, Owen Griffydd, Mr. Mredydd Wyn ('o lanyfudd'), and Rowlant Preis. Also bound in the volume are a list of texts of sermons, 1720-1724, preached partly by Mr. Anwill, Mr. Nanney, and Mr. Thomas; and fragments of printed almanacs, among them being that of [Thomas Jones], 1686, and that of [John Jones, 'Philomath'], 1739, both published in Shrewsbury.

A composite volume of collections of Welsh poetry and prose made about 1635. The title is derived from the third section which contains a number of poems to members of the Wynn family of Moelyrch in Llansilin. Amongst the poets represented are Hywel Cilan, Tudur Aled, Rhys Cain, Gruffudd Hiraethog, Sion Cain, Guto'r Glyn, Edmwnd Prys, Lewis Glyn Cothi, Iolo Goch, Cynddelw Brydydd Mawr, Iorwerth Fynglwyd, Taliesin, Dafydd ap Gwilym, Dafydd Nanmor and Wiliam Cynwal. Miscellaneous material in the volume includes a copy of an award relating to Moelyrch, 1540; a fragment of a letter by Charles I; the pedigrees of Oliver Cromwell, Holland and Morris, and Kyffin of Bodfach; a roll of the Caerwys Eisteddfod, 1567; an extract from 'Breuddwyd Rhonabwy'; a list of the sheriffs of Denbighshire from 1541 to 1635, with additions to 1658; a copy of documents relating to the treaty of alliance concluded between Charles VI of France and Owain Glyndŵr; extracts from the epigrams of John Owen; and extracts from scripture.

A composite volume containing transcripts by Edward Williams ('Iolo Morganwg') of Welsh poems, mainly strict-metre verse in the form of 'cywyddau', attributed to Syr Dafydd Owain, Huw Dafydd Llwyd, Ieuan ap Hywel Swrdwal, Llawdden, Dafydd Llwyd Matthew, Siôn Mowddwy, Rhobin Ddu 'o Fôn', Siôn Tudur, Syr Dafydd Llwyd Fach or Syr Dafydd Llwyd Ysgolhaig, Lewis Glyn Cothi, Huw Pennant, Rhosser Cyffin, Person Llanberis, Dafydd ap Dafydd Llwyd, Thomas Prys, Rhisierdyn, Gutto'r Glynn, Meredydd ap Rhys, Rhys Goch Glyndyfrdwy, Siôn Brwynog, Thomas Celli, Llywelyn Goch ap Meuryg Hen, Rhys Cain 'o Groes Oswallt', Rhisiart Philip, Rhys Llwyd ap Rhys ap Rhiccart, Hywel ap Syr Mathew, Gruff. Hiraethog, Edmund Prys, Arch[d]diacon Meirionydd, Gruffudd Hafren, Rowland Fychan 'o Gaer Gai', Ieuan Llwyd Sieffre, Ieuan Tew Brydydd, Owain ap Llywelyn Moel, Lewys Môn, Dafydd Pennant, Rhys Goch ap Dafydd sef Rhys Goch Eryri, Tudur Aled, Ieuan Brydydd Hir, Siôn Philip, Lewis ab Edward Bencerdd, Wiliam Cynwal, Ieuan Deulwyn, Gruffudd ap Gweflyn, Lewys Menai, Dafydd Llwyd 'o Fathafarn', Dafydd ap Hywel, Ieuan ap Gruffudd Leiaf, Huw Arwystli, Rhys ap Llywelyn ap Gruffudd ap Rhys, Guttyn Owain, Hywel Dafydd ap Ieuan ap Rhys, Iolo Goch, Ieuan Llawdden, Wiliam Llyn, Gruffudd Gryg, Dafydd Llwyd ab Einion Lyglyw (or Gruffydd Llwyd ab Dafydd ab Einion Lygliw, or Dafydd ab Gruffydd Llwyd ab Einion Lygliw), Dafydd ab Gwilym, Lewys Morganwg (or Lewys Brydydd Hodnant), Rhisiart ap Rhys Llwyd, Iorwerth Fynglwyd, Thomas Derllysg, Dafydd, Abad diweddaf Margam, Siôn y Cent, Thomas Lleison 'o Gastell Nedd', Ieuan Du'r Bilwg, Llywelyn Moel y Pantri, Rhys Llwyd ab Rhys ab Rhisiart 'o Lan Haran', Ieuan Rudd, Gruffudd ap Ieuan ap Llywelyn Fychan 'o Lannerch Llyweni', Meredydd ap Rhosser, Tudur Penllyn, Dafydd ap Edmwnd, Ieuan Brechfa, Syr Owain ap Gwilym, Bedo Hafes, Syr Rhys o Garno, Dafydd Llwyd ab Llewelyn ab Gruffydd, Llywelyn ab Guttyn, Trahaiarn Brydydd Mawr, ? Iorwerth Beli, Llywelyn Goch y Dant, Wiliam Pywel 'o Gastell Madog', Dafydd y Coed, Ieuan Môn Hen, Gruffudd ab Gronw Gethin, Meyrig Dafydd, Wiliam Byrcinsha, Syr Dafydd Trefor, Bleddyn Siôn 'o Lancarfan', Casnodyn, Syr Rhys Offeiriad, Llywelyn ap Guttyn, Ieuan Gethin ab Ieuan ab Lleison, Syr Dafydd Jones, Ficcer Llanfair Dyffryn Clwyd, Ifan Llwyd, and Siôn ap Ffelpot. There are occasional notes on the poems and poets and on the source of the transcript.

A composite manuscript volume lettered on the spine 'MSS. Collections Relative to Wales, II', being a companion volume to, and a continuation of, NLW MS 6209E, which is also a composite manuscript (sections numbered I-XIII) bound in a similar manner and lettered on the spine 'MSS. Collections Relative to Wales, I'. It appears that the two volumes originally formed one folio manuscript belonging to Edward Lhuyd made up of transcripts by his assistants, contributions by Henry Rowlands and Hugh Thomas, and fragments of earlier manuscripts (see pp. 14-15 of NLW MS 13918F, 'Catalogue of Welsh M.S.S. in Beechwood Library by the Reverend Mr John Jones [?1746-1827] M.A. Fellow of Jesus College Oxon, 1781', i.e. part of the Sebright collection. The contents include: pp. 1-38 (XIV), a copy of [George Owen's] 'Treatise of Lordshipps Marchers in Wales . . .' from a 'MS. Borrowed of Mr. Will. Jones, Rector of Lhangower. . .'; 39-100 + 207-08 (misplaced) (XV-XVI), transcripts of Welsh poems attributed to William Phylip, Ievan Ddu'r Bilwg, H'l ap D'dh ap Ievan ap Rhys, Howel Davi, Bedo Brwynllys, Gytto'r Glyn, Ievan Deulwyn, Rhys Lhwyd ap Rys ap Rhiccard, Lewis Glynn Kothi, Gwilym ab Ievan Hen, Davydd ap Howel, D'd Lhwyd ap Lle'n ap Gr., Ieuan ap Ho'll Swrdwal, Davydd Epynt, Lewys Môn, Edward Urien, Gyttyn Owain, Ierwerth Beli, Bleddyn Vardd, Llygat Gwr, Meilir Brydydd, Llywelyn ap Ho'll, Prydydd y Moch, Gwalchmai, Symwnt Vychan, Iolo Goch, Syppyn Kyfeiliog, Tudur Aled, Deio ab Ivan Ddu, Rhys Goch o'r Yri, Llywelyn Moel o'r Pantri, Ivan Tudyr Penllyn, Ievan Brydydd Hir and Tudyr Penllyn, and of prose items with the superscriptions 'Llythyr i ofyn Rhwyd berked', ['Y Tri Thlws ar Ddeg'], 'Dewis Bethau Howel Lygad Gwr', 'Y Pedwar Marchog ar Hugain oedd yn Llys Arthur', 'Ymadrodd yr Henwr', 'Breuddwyd Ivan ab Adda ab Davydd . . .', 'Breuddwyd Ierwerth ab Adda ab D'd', and 'Llythyr i ofyn palffon', partly from manuscripts in the possession of John Lloyd of Aber Llyveni; 101-40 (XVII), transcripts of Welsh prose and verse items, mainly vaticinatory, attributed to Taliessin, Robin Ddy, Gryffydh ap Ieuan, Rhys Nanmor, Merdhyn, Adha Vras, Hinin Vardh, Ie'nn Drwch y Daran, D'd Nanmor, and Davydh Lhwyd; 141-206 (XVIII), transcripts of Welsh verse and prose items, again mainly vaticinatory, attributed to Taliesin, Merdhyn Wylht, Iolo Goch, Davydh Llwyd, Merdhyn Emrys, Adha Vras, Ievan Trwch y Daran, Davydh Nanmor, Ie'nn Hir, Lh. ap Owen, Meredydh ap Rhys, Rhys Goch o'r Yri, Lewys Glynn Kothi, Raph ap Robert, and Bardh Bergam; 213-35 (XIX), genealogical and historical material including genealogies of Welsh saints , '. . . hiachau [sic] pump brenhin llwyth Kymru', '. . . Iachau [sic] pymthek llwyth Gwynedd', a list of the daughters of Ronow Llwyd ap y Penwyn', etc.; 239-54 (XX), a copy, 'transcrib'd from ye original at Owlberry near Bishops Castle, Anno 1698', of an inspeximus and confirmation, 4 March [?1508], of charters granted to the abbey of Strata Florida (see S. W. Williams: The Cistercian Abbey of Strata Florida (London, 1889), Appendix, pp. lxxiv-lxxv, and Calendar of Patent Rolls, Henry VII, vol. II, p. 567); 257-66 (XXI), transcripts of Welsh poems attributed to Prydydd y Moch, Gr. Lloyd ap D'd ap Einion, D'd Nanmor, D'd ap Gwilym, Guto'r Glynn, Kynddelw, Ievan Du y Bilwc, Bleddyn Vardd, Rys Goch or Eryri, Daniel ap Llosgwrn Mew, and Gwalchmai, from '. . . Cod. MS. Mod. in Chart. penes Dominum Rob't Pugh de Kevn y Garlheg in paroch. Lhan St. ffraid apud Denbigh'; 267-70 (XXII), 'Addenda Grammaticae D.J.J. ex Libro MS. D. R. V. penes D. R. P.'; 271-9 (XXIII), transcripts 'Ex Cod. Chart. penes D. Joan Lloyd de Aber Lhyveni' of Welsh poems attributed to Lewys Glynn Kothi, Gwilim ap Ie'nn Hen, Ievan ap Tydyr Penlhyn, Lhewelyn Goch ap Meirig Hen, and Tydyr Aled; 283-305 (XXIV), transcripts of (a) 'Ystori Gryffydd ap Cynan Brenin Gwynedd' from 'Cod. M.to Chart. pe[nes] Dom. R. Davies de Lhan[erch] convenit cum cod. antiquo me . . . penes D. Jo. Wyn . . ., Watstay', (b) 'Interdictio Papae adversus Lewelinum . . . fillium Ierwerth . . .', and (c) 'Literae Lewelini Principis Walliae ad Clerum Angliae apud London Convocatum', 1275; 307-11 (XXV), transcripts of 'cywyddau ymryson' exchanged between Owen Gwynedd and William Llyn; (continued)

315-400 ( XXVI), a copy of a Welsh-Latin vocabulary entitled 'Geiria Tavod Comroig. Hoc est Vocabularium Linguae Gomeritanae . . .' compiled by Henry Salesbury, with a list of the authors on whose works the vocabulary was based, and a list of 'Geiriau o Hen Gymraeg a'i Deongliad', etc., by the same author; 403-04 (XXVII), an incomplete copy of 'Braint ac Ystatus Griff. ap Kynan a Bleddyn ap Kynvyn'; 405-06 (XXVIII), a version of the prologue to, and a list of the court officials listed in, a Latin text of the Laws of Howel Dda; 409-65 (XXIX-XXX), a transcript of sections of the 'Red Book of St. Asaph' (see also Peniarth MS 231, NLW MS 7011D, MS SA/MB/2); 469-86 (XXXI), a copy of the 'Statutes of the Cathedrall Church of . . . Chester set forth by . . . Henrie the 8'; 489-505 (XXXII), extracts [from a version of Nennius' 'Historia Britonum']; 509-38 (XXXIII), seventeen chapters (Welsh) of pseudo-history and description of the Isle of Britain, supplementary notes on place-names, the wonders of Scotland and Ireland, and the conversion of the nations of Britain to Christianity, and a list of 'yr naw helwrieth'; 539-40 (XXXIV), lists of, and notes on, Welsh musical measures; 541-55 (XXXV-XXXVI), a list of Welsh triads ('Llyma drioedh mab y krinwas'), accounts of 'redditus assisus' of the vills of Colshull, Eulowe, Baghegr, and Rothelan, a list of the 'Consuetudines Molend' de Dee' from 'an old book of Ed'd Whitby, recorder of Chester', a list of those who rendered 'Homage and Fealty . . . to ye Prince of Wales', 29 Edward I, etc.; 557-63 (XXXVII), two lists headed 'A table for ye rest of ye contents of this book' and 'A table belonging to Coch Assaph' (for the contents of sections XXXI-XXXVII cf. the relevant parts of NLW MS 7011D); 569-95 (XXXVIII), replies [by Henry Rowlands to Edward Lhuyd's] parochial questionnaire in respect of the parishes of Llanidan, Llanedwen, Llanddeniel, Llanvair pull gwingill, and Llandysilio, co. Anglesey, partly in Rowlands's own hand; 597-9 (XXXIX), an account of 'A strange showre of Haile fallen in Anglesey and Carnarvonshire' in 1697; 601-05 (XL), extracts (Latin) with the superscription 'De Belli Marisci Origine . . .'; 607-09 (XXXVIII misplaced), notes on the words 'bod', 'caer', 'tref', etc. (pp. 597-609 probably in the hand of Henry Rowlands); 611-22 (XLI), 'A scheme of the wind and weather att Llanberis', 1 March [16]9[6] to 28 February [1697]; 623-52 (XLII), pedigrees of families in cos. Denbigh and Flint in the hand of Lewis Dwnn (described by J. Gwenogvryn Evans as a detached portion of Peniarth MS 268; see J. Gwenogvryn Evans MS 70A in the National Library of Wales, also Report on Manuscripts in the Welsh Language, vol. I, p. 1090); and 653-97 (XLIII), a copy, partly holograph, of an essay on 'The Parish of St. John Evangelist and Burrough of Brecknock' by Hugh Thomas (cf. NLW MS 777B). Holograph notes by Evan Evans ('Ieuan Fardd') on NLW MS 6209E and this volume, compositely described as MS I in the 'Seabright Collection, being Edward Lhuyd's MSS', appear in Panton MS 7 (NLW MS 1976) (see Report on Manuscripts in the Welsh Language, vol. II, p. 807 and a calendar description by J. Gwenogvryn Evans of this volume alone, described as the 'Nanhoron MS', is included in J. Gwenogvryn Evans MS 70A.

'Llyfr Gwyn Mechell, sef Casgliad o Ganiadau ... wedi ei ysgrifenu gan William Bulkeley, Yswain o'r Brynddu, Llanfechell yn Mon ...', containing 'cywyddau', etc. by Sion ap Hywel ap Llywelyn Fychan, Morys Dwyfech (Morus ap Dafydd ab Ifan ab Einion), Lewis Glyn Cothi, Syr Dafydd Trefor, Gruffudd Hiraethog, Hywel [ap] Rheinallt, Dafydd ap Gwilym, Sion Tudur, Tudur Aled, Ieuan Dew Brydydd, Dafydd ab Edmwnd, Rhydderch ap Richard, Huw ap Rhys Wyn, Ieuan ap Rhydderch ab Ieuan Llwyd, Lew[y]s Môn, Sypyn Cyfeiliog, Ieuan Deulwyn, Wiliam Llŷn, Sion Phylip, Maredudd ap Rhys, Huw Pennant, Gruffudd ap Dafydd ap Hywel, Rhisiart ap Hywel, Huw Arwystli, Dafydd Manuel, Gruffudd ab Ieuan ap Llywelyn Fychan, Edward Samuel, Wiliam Cynwal, Roger Cyffin, Huw Mor[y]s, Robert Wynn ('Ficcar Gwyddelwern'), John Roger, John Davies ('Sion Dafydd Las'), Rhisiart Brydydd Brith, Simwnt Fychan, Huw Llwyd ('o Gynfal'), Iorwerth Fynglwyd, Iolo Goch, Dafydd Llwyd ap Llywelyn ap Gruffudd, Guto'r Glyn, Bedo Phylip Bach, Deio ab Ieuan Du, Rhydderch ap Sion, Edwart ap Rhys, Syr Dafydd Llwyd, John Griffith (Llanddyfnan), Elen G[oo]dman, Rhisart Gray, Huw Humphreys ('Person Trefdraeth'), Rhisiart [Richard] Bulkeley, Owen Prichard Lewis, Dafydd ap Huw'r Gô ('o Fodedern'), Rhys Gray, Edward Morus, Sion Prys, John Williams ('o Bontygwyddel'), Dafydd Llwyd (Sybylltir), Lewis Meurig ('y Cyfreithiwr'), Peter Lewis, Roger Williams, Wiliam Peilyn, Richard Abram [Abraham], Huw [Hugh] Bulkeley ('o Lanfechell') and Ifan Jones ('o'r Berthddu'); together with extracts relating to State affairs in the reign of Charles I.

A composite volume, pages 1-74 being in the hand of William Owen [-Pughe], pp- 75-90 in the hand of Evan Evans, 'Ieuan Fardd', and the title on p. 115 in the hand of Lewis Morris. The contents include: pp. 1-24, 'Golygiad ar farddoniaeth Lewis Glyn Cothi', being a catalogue of 223 poems [apparently based on the collection in B.M. Add. MS 14963], with some brief observations; pp. 29-31, a list of some parishes and divisions in Wales; p. 33, 'Awdl a gant Hywel ab Owain Gwynedd' beginning 'Dyn [sic] dewisy riein virein veindec . . .'; pp. 35-8, an incomplete index to the poems published in Owen Jones & William Owen, Barddoniaeth Dafydd ab Gwilym (Llundain, 1789), tt. 1-166; pp. 40-52, a list of the names of British saints; pp. 54-69, a further list of saints with their descent; pp. 71-4, a list of titles of the poems of [Dafydd ap Gwilym], most of which are crossed out; pp. 76-89, transcripts of 'Gwaith Argoed Llwyfein' by Taliesin, 'Arwyrein Owain Gwynedd' by Gwalchmai, and 'Marwnad Llywelyn fab Gruffudd' by Bleddyn Fardd, with parallel Latin translations; p. 90, a note by Evan Evans in Latin concerning Llywelyn ap Gruffydd and Madoc Min; pp. 91-114, four 'cywyddau' by 'Ieuan Fardd' ('Ieuan hirfardd', 'Ieuan ap Siencyn Ieuan'), [i.e. Evan Evans, 'Ieuan Brydydd Hir'), one dated 1752, and two by Gronwy [sic] Owen, one also dated 1752; pp. 115-17, 'Hyriad it Offeiriad o Dregaron, am ddywedyd nad oedd ym marwnad Ffredrig Tywysog Cymru nag Iaith na Chynganedd. 1752' by 'Ieuan Fardd', see infra, pp. 93-7.

A manuscript in two volumes containing a corpus of Welsh strict-metre verse consisting almost entirely of 'cywyddau', and a few Welsh prose items. The foliation of the 'text' (original f. 1 missing, original ff. 2-21 renumbered 1-20, a previously unnumbered folio between original ff. 21-2 now f. 21, ff. 22-623 as originally numbered with 75 twice and 265 and 577 missed out) is continuous, and the division into vol. I (ff. 1-300), now NLW MS 13061B, and vol. II (ff. 301-623), now NLW MS 13062B, occurs in the middle of a poem. Unnumbered leaves of later origin than those of the text have been inserted at the beginning and end of each volume. The manuscript, sometimes referred to as 'Y Byrdew Mawr', is in the hand of Thomas ab Ieuan of Tre'r-bryn, parish of Coychurch, co. Glamorgan, the scribe of NLW MSS 13063B, 13069B, and 13085B, and was probably transcribed in the last quarter of the seventeenth century, partly from the manuscripts of an earlier Glamorgan copyist, Llywelyn Siôn (see TLLM, tt. 95, 167-73, 218-19, 268; IM, tt. 87, 154, 264; and IMCY, tt. 81, 175). It was probably presented to Edward Williams ('Iolo Morganwg') by the copyist's grandson also named Thomas ab Ifan (see TLLM, tt. 170, 268). The contents include (revised foliation) :- 1 recto - verso, rules re interpreting the significance of dreams in relation to the phases of the moon (incomplete); 1 verso-8 recto, another set of rules (183) for interpreting dreams ('Deall braiddwydon herwydd Daniel broffwyd'); 8 recto-11 recto, a sequence of forty-eight 'englynion' entitled 'Englynion rhwng Arthur a Liflod i nai' (see The Bulletin of the Board of Celtic Studies, vol. II, pp. 269-86); 11 recto-verso, a poem attributed to 'Taliesin ben bayrdd'; 12 recto-15 verso, prognostications including 'Arwyddion kyn dydd brawd', and four 'englynion'; 16 recto-21 recto, 'Llyma anian diwarnodav y vlwyddyn o gwbl oll'; 21 verso, prognostications re birthdays; and 22 recto-623 verso, poems ('cywyddau' unless otherwise indicated) by Iorwerth Vynglwyd (17), Ieuan Rydd, Tydur Aled (12), Howel ap Rainallt (3), Mathav ap Lle'n Goch, Lewys y Glynn (7), Davydd ap Edmwnt (5), Siôn y kent (24), Davydd llwyd (2), Risiart Iorwerth (4), Llawdden (or Ieuan Llawdden) (6), Davydd Nanmor (5), Iolo Goch (8), Ieuan Daelwyn (13), Lewys Morgannwg ( 18), Thomas Lle'n (5, also 1 'englyn'), Howel ap Davydd ap Ieuan ap Rys (17), Ieuan Tew Bry[dy]dd Ievank (3), Huw Kae Llwyd (8), Ieuan Dyvi (2), Ieuan ap Howel Swrdwal (2), Davydd Llwyd Lle'n ap Gr' (3), Risiart ap Rys Brydydd (3), Tomos Derllysg (4), Gyttyn Kairiog, Ieuan Llwyd ap Gwilym, Ieuan Rydderch ap Ieuan Llwyd (3), Robert Laia, Ieuan Du Bowen Lle'nn ap Howel ap Ieuan ap Gronw (7), Rys Goch 'o Vochgarn', Ieuan Brydydd Hir, Gytto'r Glynn (25), Maredydd Brydydd, Howel Swrdwal (3), Thomas Lle'n Dio Powell (2), William Kynwal, Siôn Tydyr (7), Hyw Davi 'o Wynedd' (3), Huw Davi, Tomas ap Siôn Kati (2), Syr Rys 'o Garno', Syr Lewys Maudw, Syr Phylip Emlyn (2), Huw Lewis, Davydd Ddu Hiraddug, Davydd ap Gwilym (10), Bedo Aurddrem, Morys ap Howel, Ieuan Tew Brydydd (9), Siôn Brwynog, Harri ap Rys ap Gwilym (3), Morys ap Rys, Davydd Benwyn (11), Rydderch Siôn Lle' nn, Sils ap Siôn (3), Lle'n ap Owain, Syr Huw Robert L'en (3), Davydd ap Rys, Thomas Gryffydd, Siôn Phylip, Gwyrfyl verch Howel Vychan, Morgan ap Howel (or Powel) (4), Lle'n Siôn (8), Gryffydd Gryg (5), Maredydd ap Rys, Tydur Penllyn (2), Gronw Wiliam, Bedo Phylip Bach (4), Siôn Mowddwy (11), Rogier Kyffin (4), Wiliam Gryffydd ap Siôn (2), Hyw Dwnn, Lewys Môn (5), Wiliam Egwad (2), Ieuan Du'r Bilwg (2), Rys Brydydd, Daio ap Ieuan Du or Daio Du o Benn Adainiol (3), Gwilim Tew Brydydd (10), Rys Brychan, Maredydd ap Roser, Daio Lliwiel, Lle'nn Goch y Dant, Gryffydd Davydd Ychan (2), Syr Gryffydd Vychan, Lang Lewys, Rys Llwyd Brydydd, Meistr Harri Le'n ( 2), Siôn ap Howel Gwyn (2), William Llvn (5), Ieuan Gethin (ap Ieuan ap Llaison) (3), Gwilim ap Ieuan Hen, Ieuan ap Hyw, Gryffydd Hiraethog (5), Rys Pennarth, Davydd Llwyd Mathav (4), Davydd Emlyn, Davydd Goch Brydydd 'o Vyellt' (2), Rys Nanmor (3), Risiart Vynglwyd (2), Watkin Powel (6), Mairig Davydd (4), Ieuan Rauadr, Owain Gwynedd, Morgan Elfel, Syr Davydd Llwyd (3), Ieuan Thomas (4), Rys Goch 'o Eryri' (3), Lle'n vab Moel y Pantri (2), Syr Davydd ap Phylip Rys, Rys Trem, Siankin y ddyfynog (3), Morys ap Lle'nn, Risiart Thomas, Lle'nn Mairig, Gryffydd Llwyd ap Davydd ap Einon, Gryffydd Llwyd ap Einon Lygliw, Hopgin Thom Phylip, Edward Davydd (4), Ieuan Du Davydd ap Owain, Bedo Brwynllys, Thomas ap Rys 'o Blas Iolyn', Thomas Wiliam Howel, Davydd ap Ieuan Ddu, Syr Owain ap Gwilym, Rys ap Harri 'o Euas' (2), Edwart ap Rys, Davydd Manuel 'o Sir Drefaldwyn', SiamsThomas, Thomas Brwynllys, and Swrdwal. The unnumbered folios at the beginning of each volume contain a list of the contents of the volume giving, in the case of the poems, the name of the poet, in a hand bearing a strong resemblance to that of William Owen Pughe, and the title of the poem, in the hand of Edward Williams. The folios at the end of the first volume contain an index of the bards whose works appear in both volumes. This is possibly in the hand of Hugh Maurice, tanner and copyist. On one of the added folios at the end of the second volume is a poem to the Reverend John Jones, D.D., dean of [the cathedral church of] Bangor. Both volumes contain marginalia in the hand of Edward Williams.

A volume of 'englynion' and a few 'cywydd' couplets in the hand of David Jones, Trefriw ('Dewi Fardd a 'sgrifenodd y Mydrlyfr hwn'). Among the poets represented are Lewis alias Llewelyn Glyn Cothi (1450), David Jones ('o Drefriw'), Sion Tudur, Edward Morris (1688), Alis ych Ruffydd, Ambrose Burchinshaw, Edward Evans, Robt. Llwyd, Dafydd Nanmor, D[afydd] ap Edmund, Evan Tho[mas] ('or Nilig'), Hugh Morris ('ynghastell y Waun'), Gr. ap Ieu. ap Lln. fychan, Ieuan Brydydd Hir, Huw ap Ifan ap Robt., Sion ap Robert ('o Juwch Aled'), Richard Hughes ('or Henfryn'), D[afydd] ap G[wilym], Tho. Prys, J. D., Richd. Davies ('Esgob Dewi', 1561), Sr. John Trefor, Edm. Prys, Sion Phylip, Richd. Phylip, Sion Clywedog, John Evan (1649), Sr. Dai. Llwyd ['Deio Ysgolhaig'], Sr. Ifan, Morris Dwyfech, Howell ap Matthew (1588), Moris Pari, Lewis Lleyn, Inco Brydydd, Rowland Wynne, Watcin Clowedog, Robin Ragad, Roger Cyffin, R[obin] Ddu, John Evans ('or Ysgwyddfrith'), Hugh Jones ('o Gaer Drudion', 1744/5), John Ridd[erch], Owen Griffydd, Sr. Rys, Richd. Thomas (Pen machno), Morris Roberts, Harry Howel, Sion Cain, Ieuan Llwyd Tudur, Sion ap Edward Grythor, Tho. Evans, Rissiard Cynwal, Tho. ap Ifan, Huw Machno, Gryffydd Phylip, John Thomas, Howel ap Sion Evan (1627), John Roberts ('Book binder', 1722), Tho. Morris ('or Ddôl'), John Richard, Rowland Fychan, John Prichard, Matthew Owen, Wiliam Phylib, Robert Wynn, Elsbeth Evans ('o Ruddlan'), Wm. Cad[wala]dr ('Clochydd Caer y Drudion'), John Edwards, Richd. Morris ('y Telyniwr'), etc. A few Latin 'englynion' have been included in the margins, as well as an ' englyn' by J. Williams, 1801.

A volume containing poetry mostly in strict metre, together with some prose items and a significant body of prophetic prose or vaticinatory verse, transcribed between 1649 (see pp. 285-288) and 1660 by Wiliam Bodwrda; the volume would appear to have been 'No. 17' in his own collection of manuscripts (see f. iv and p. 342).
The cited works are mainly those of fifteenth-century poets, including eulogies by Lewys Glyn Cothi and prophetic poetry by Dafydd Gorlech, Dafydd Llwyd ap Llywelyn ap Gruffudd o Fathafarn and Robin Ddu. Several pieces of prophecy are either anonymous or attributed to ambiguous and obscure authors such as Taliesin, y Bardd Cwsg and y Bergam. Eulogies composed in praise of the Bodwrda family are found on pages 181-193 and 285-288. Wiliam Bodwrda himself has paginated the manuscript from 1-341, but some of these numbers have been cropped in binding. The paper, according to the transcriber's practice, has been folded before use giving three vertical creases on every page, the left-hand crease being used as a guide for the alignment of the text. The transcriber uses a catchword on the bottom right-hand corner of most verso pages.

Miscellaneous papers and booklets or note-books containing notes, lists, transcripts, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents include, pagination in brackets, a list of one hundred and sixty-one items headed 'Welsh MSS. in the Possession of E[dward] Williams ['Iolo Morganwg']. Transcripts' (1-13); a list of thirty-one items headed 'Hen Ysgriflyfrau' being apparently manuscript volumes in the aforementioned Edward Williams’'s possession (15-16; many of these items can be identified amongst the Llanover manuscripts now being described); a list of titles of ? 'cywyddau' with numbers, poets' names, and page references headed 'MS. at Revd. Mr. Peter Williams', etc. (17-19); a list of the titles and / or first lines of forty-four 'cywyddau' and 'awdlau' under the name H[ywel ap] D[afydd ap] I[euan ap] Rhys and of two 'awdlau' under the name Gwilym Tew with page references, these corresponding to the pagination of transcripts of poems with the same titles or first lines by these poets (excepting one by Bedo Brwynllys to the said Hywel Dafydd) in Cwrt Mawr MS 12 in the National Library of Wales (20-24); a list of the titles of ? 'cywyddau' with the poets' names or initials and page references headed 'D[afydd] Dd[u] Eryn Broad Folio' (25-6); a list of the titles of 'cywyddau' and 'awdlau' headed 'Long vol. folio Piser Hir' with the poets' names or initials and page references the latter corresponding to the pagination of transcripts of poems with the same titles by the said poets in the manuscript known as Y Piser Hir now NLW Deposited MS 55 (27-30); a brief note referring to 'A Book with D.T. containing a large collection of Gronwy Owain's Letters . . .', etc. (31); extracts from poems attributed to R[hys] G[och] Eryri, Gruff. ap Daf. ap Einion Lygliw, L[ewis] G[lyn] Cothi, Iolo Goch, and B[edo] Brwynllys, (41-4); (41-4); a sequence of entries consisting of titles of Welsh poems, mainly 'cywyddau', with or without the name of the poet, first lines of, or extracts from, such poems, attributions only of poems, brief data re a poem or a poet, brief comments relating to a poem such as 'good, to be copied', 'to be copied, important', often without the name of the poem or poet, etc., these entries being accompanied by page references and these obviously referring to the pagination of the Welsh Charity School MS which is now British Museum Add. MS 14866 (44-58); further extracts from, or references to, items in ? the Welsh Charity School MSS now in the British Museum including transcripts of 'englynion' attributed to Wm. Cynwal, D. ab Edmund, and Tywysog Llywelyn ap Gruffudd (58-60, 69); a brief note relating to court officials in [medieval] Gwynedd, Pywys, and Deheubarth (71); an incomplete note re a linear measure called 'Mesur Llath Fleddyn' (72); a survey of Welsh bardism from the time of the Emperor Arthur to the seventeenth century attributed to Edward Dafydd referring to, inter alia, the measures taken by the Emperor Arthur to restore the bardic system, the 'eisteddfodau' of Gruffudd ab Cynan, the 'eisteddfod' at Caerfyrddin in 1452 and the twenty- four strict-metre system adopted there, 'eisteddfodau' held at Yr Adur and Aberpergwm in the time of Iorwerth Fynglwyd and at Abertawy in the time of Lewys Morganwg, a volume on the allegedly truly traditional poetic metres compiled by Lewys Morganwg and volumes by Meuryg Dafydd and Dafydd Benwyn on the same theme, an 'eisteddfod' at 'Castell Caer Dydd' convened by Sir William Herbert where Llywelyn Siôn was chief adjudicator, the condemning of the Carmarthen system of strict metres and the authorising of an alternate, truer system [the Glamorgan system] at this 'eisteddfod', a volume by Llywelyn Siôn containing an account of this system, and the writer [i.e. Edward Dafydd]'s intention of publishing this account and other bardic material in a printed volume (73-82; see the foreword in Cyfrinach Beirdd Ynys Prydain attributed to the said Edward Dafydd, and for a comment on the whole matter see TLLM, t. 91); (continued)

Notes on Welsh poetic metres headed 'Llyma son am y mesurau Cerdd Dafawd ag fal au gwellhawyd o amser i amser ag o beth i beth ag o farn i farn' (82-8); an incomplete ? draft of an undated letter from . . . to . . . containing observations on a book (? in two parts or volumes entitled 'Oes Ymbwyll' and 'Oes y Pwyll') by recipient concerning revealed religion (89-104); a list of words, phrases, etc., headed 'Allusions to Coelbren y Beirdd in D.G. and to other arts and sciences' with page references to the said allusions [these, by inference, being extracted from the collection of Dafydd ap Gwilym's poems published by Owen Jones and William Owen in 1789 under the title Barddoniaeth Dafydd ab Gwilym] (105-07); miscellaneous notes relating to bardic matters such as the nature or attributes of 'cerdd gadair', 'cerdd arwest', 'cerdd dant', 'arwyddfardd', and 'cerdd deuluaidd' (113-25); notes relating to the contribution of Talhaiarn Fardd, Ystudfach Fardd, Ceraint Fardd Glas, Taliesin Ben Beirdd, Rhys Goch ap Rhiccart, Casnodyn Fardd, Dafydd ap Gwilym, Ieuan fawr ap y diwlith, and Llesoed Fardd to the Welsh metric system (126-17); copies of memorial inscriptions including seventeenth century inscriptions relating to members of the Powell family in the churchyard at Llangynwyd [co. Glamorgan] (128); brief notes referring to the expressions 'Hu ynys' and 'Gwyr Hu', and to Hu Gadarn and early mythological bards of Britain (133); notes relating to 'cynghanedd unodl', 'cynghanedd gytsain', and 'corfannau' (138-9); transcripts of 'englynion' attributed to Rhisiart Iorwerth, Rhys Meigen, and Wm. Llyn (140 ); a brief note relating to a poetic metre known as 'toddaid Taliesin' with transcripts of two Latin stanzas in 'englyn' form attributed to D.N. and ? Samuel Jones 'o Fryn Llywarch' (141-2); notes relating to the decline of knowledge concerning the old Welsh bardic order in Gwynedd in the late middle ages, literary patronage in Morgannwg during the post Norman conquest period, poetic composition ? in relation to the 'pedair ansawdd ar hugain Cadair Morganwg', and 'Y Bardd Glas Ceraint' (143-7); an extract from a 'cywydd' attributed to Rhys Goch Eryri, a note on the words 'clws' and 'tlws' and the use of the first for the second with a transcript of an 'englyn' attributed to Hugh Jones 'o Langwm' to illustrate this usage, and three Welsh triads (148-51); lists or groups of Welsh words sometimes with English definitions and / or illustrative excerpts from Welsh verse (152-3, 155, 164, 172-3, 200, 203, 210, 335, 337, 341, 343-6, 348, 350, 353-4 356, 360); a number of 'Quotations in exemplifications of the sense or meaning of [specific Welsh] words' (165, 168-9); a list of eleven questions, ?forming a questionnaire, relating to the Welsh language, its major dialects, local words and idioms, the possible possession of ? old Welsh manuscripts ('hen ysgrifeniadau') by the person questioned or acquaintances, etc. (174-5); brief notes relating to Siôn Rhydderch and Lewis Morris (179); transcripts of stanzas of Welsh verse attributed to Gwalchmai and Elidir Sais (189-92); notes headed 'Silurian Contractions' (197); a group of Welsh words illustrating the use of de- in Sil[urian] where dy- would be used in N[orth] W[ales] as the first syllable (198); a note on the two sounds of the symbol Y in the Welsh alphabet (199); a list of kings of the British, 481-683, and of Plantagenet and Yorkist kings of England, 1307-1483 (201); notes deriving the Latin word bellum from a Celtic word bel signifying war and referring to the cognate element -fel in Welsh words (204 + 209); a list of the kings of England, 1272-1558 (212 ); an incomplete author index to Sion Rhydderch's edition of [Thomas Jones :] Llyfr Carolau [a Dyriau Duwiol], 1745 (249); brief notes, sometimes merely dates, relating to Rowland Vaughan 'o Gaer Gai', Richard Huws, Wmffre Dafydd ab Ifan, Syr Lewys ab Hugh 'o Fochnant', Edmund Prys, Huw Morys, and Rhys Pritchard (250-5I); an extract from the Gentleman's Magazine, 1809, relating to the Mears family (253-4); (continued)

Comments reflecting the writer's attitude towards the ? introduction of an artificial regularity into the Welsh language (257-9); a very brief note on Ty Newydd, Y Fotffordd [Watford, co. Glamorgan], [Nonconformist] meeting house, and an anecdote relating to Sir Wm. Lewys of Gilfach fargod and ? a conventicle being held in the parish of Gelli Gaer [co. Glamorgan], temp. Charles II or James II (274); dates of the deaths of David Jenkins of Hensol [co. Glamorgan], judge, and his son and grandson (278); miscellaneous extracts from, or references to, various printed works (279- 81); data relating to the Kemis family of Cefn Mabli, Llanblethian, and Newport [cos. Glamorgan and Monmouth] (291, 293-4, 298); notes headed 'Peculiarities of the Dimetian Dialect' (301-03); a brief note relating to incursions into the Isle of Man and Anglesey, A.D. 431, transcripts of stanzas of Welsh verse attributed to R[hys] Goch ab Rhiccert and Taliesin, copies of two versions of an 'englyn' by [Edward Williams] 'Iolo Morganwg', two Welsh triads, a list of six 'Books at Wm. Morris, 1783', a list of four 'Reasons for supposing that the South Wales Poets imitated the Troubadours', etc. (317-21); a list of twenty-four topics or subject or chapter headings with the superscription 'Hints for a Tour in Wales' (322 + 327); data relating to Thomas ap Evan ap Rhys, 16th cent. poet (324-5, 323 ); a transcript of six stanzas of Welsh religious verse (328); a list of Welsh proverbial expressions, etc. (331, 358); a list of Welsh expressions incorporating the name of God headed 'Traces of Ancient Welsh Piety' (333); and a four-line stanza of Welsh verse by [Edward Williams] 'Iolo Morganwg' (359). Pp. 213-48, which formerly formed a separate booklet, contain miscellaneous notes, extracts, memoranda, etc., including extracts from Welsh poems attributed to Robin Ddu, Cynddelw, Pryd[ydd] y Moch, Hywel ap Iolyn, W[illia]m Cynwal, Ed[mwnd] Prys, Daf. Goch, Inco Brydydd, Rhys Nanmor, Math. ap Lln. Goch, Ieuan Du'r Bilwg, Gruff. ab Mared., Siôn Ceri, L[ewis] G[lyn] Cothi, Lln. Fardd, Iolo Goch, Gruff. Grug, and R[hys] G[och] Eryri; comments on the need for a better grammar of the Welsh language which, inter alia, would pay attention to 'dialectical peculiarities'; a list of seven topics or subject or chapter headings for 'Historical Dissertations on the Ancient British Bards and Druids, etc.'; chronological computations concerning the possibility of a certain Dafydd Jones, a native of Cardigan, having seen, circa 1530 or 1540, an elderly woman who remembered another elderly woman who had seen D[afydd] ab Gwilym; groups of, or notes on, Welsh words; etc. Notes in two instances have been written on the verso and margins of a printed circular announcing the printing of Edward Williams's two volumes of English poems entitled Poems Lyric and Pastoral (202 + 211) and of a printed copy of the resolutions of a meeting of gentlemen and woolgrowers of the county of Glamorgan held at Cowbridge, 16 April 1806, when it was resolved to establish a wool fair for the said county to be held at Cowbridge in July (unnumbered pages between p. 317 and p. 318 and p.319 and p. 320).

Pedigrees, mainly of North Wales families; a list of uncommon Welsh words taken from John Davies, Mallwyd: Dictionarium ... (London, 1632); a vocabulary of some 'hard' Latin words; 'cywyddau' and other poems by Rowland Williams, Rhys Meigen, Dafydd ap Gwilym, Rowland Vaughan, Siôn Cent, Dafydd ab Edmwnd, Wiliam Phylip, Owen Gruffydd, Edmwnd Prys, Robin Ddu, Siôn Phylip, Sion Tudur, Gruffudd Phylip, Maredudd ap Rhys, Gutun Owain, Iolo Goch, Morus Berwyn, Ffowc Prys, Owain Gwynedd, Roger [C]yffin, Siôn Brwynog, Syr Owain ap Gwilym, Wiliam Llŷn, Huw Arwystli, Richard Phylip, Dafydd Nanmor, [If]an Llwyd ('o wain Eingian'), Hywel Cilan, Edwart Urien, Lewis Glyn Cothi, Rhys Cain, Lewis Trefnant, Matthew Brwmffild, James Dwnn, Ieuan Dew Brydydd, Heilyn Fardd, Huw Machno, Guto'r Glyn, etc. ; a description of Britain based on the early chronicles; the triads of Dyfnwal Moelmud; etc.

A transcript by William Jones ('Bleddyn'), Llangollen, formerly of Beddgelert, of 'cywyddau' and 'englynion' by Dafydd ap Gwilym, Iolo Goch, Dafydd ab Edmwnd, Tudur Aled, Guto'r Glyn, Tudur Penllyn, Syr Rhys o Garno, Sion Cent, Maredudd ap Rhys, Lewis Glyn Cothi, Llawdden, Robin Clidro, Sion Tudur, Wiliam Cynwal, Wiliam Llŷn, Edmwnd Prys, Simwnt Fychan, Sion Brwynog, Owain Gwynedd, Gruffudd ab Ieuan ap Llywelyn Fychan, Thomas Prys, Sion Prys ('o'r Gerddinen'), Edwart ap Raff, Rhys Ednyfed, Thomas Evans, Huw Arwystli, Watcyn Clywedog, Sion Dafydd Lâs [John Davies], Owen Gruffydd, Dafydd Gwyne, Dafydd Jones ('Ficer Llanfair Dyffryn Clwyd'), Gruffudd Hiraethog, Ieuan Deulwyn, Hywel ap Dafydd ab Ieuan ap Rhys, Inco Brydydd, Gruffudd Gryg, Ellis Rowland and Hywel ap Rheinallt; 'englynion'.

A composite volume containing transcripts by Edward Williams ('Iolo Morganwg') of Welsh verse in free and strict metres. P. i is inscribed 'Hen Awdlau, Caniadau, a Phennillion amrafaelion eu rhywieu er dangos amrywiold[eb] Mesurau a mydrau Cerdd Dafod Beirdd Cymru mewn oesoedd Amrafaelion a'r amrafaelion newydiadau . . . ym mhrydyddiaeth Beirdd Cymru o amser beugilydd. Cynnulliad o Hen Lyfrau Ysgrif amrafaelion gan Iolo Morganwg . . .', and this may refer to the contents of pp. 1-142 which include transcripts of poems by, or attributed to, Dafydd Llwyd Matthew, Wiliam Llyn, Bedo Brwynllys, Siôn Ceri, Wiliam Egwad, Gwilym ap Ieuan hen, Dafydd Nanmor, Sippyn Cyfeiliog, Elidir Sais, Dafydd o Lynn Nedd, Einiawn Offeiriad, Ieuan Gethin ab Ieuan ab Lleison, Dafydd ap Edmwnd, Richard Cynwal, Taliesin, Rhys Cain, Llawdden, Gwilym Tew, Dafydd Benwyn, Lewys Morganwg, Gutto'r Glynn, Siôn Mowddwy, Siôn Bradford, Rhys Nanmor, and Guttyn Owain. Pp. 143-55 (previously 1-13) contain a transcript of the first part (279 lines) of Aneurin's 'Gododdin'; pp. 159- 90 (previously 1-32), transcripts of fifteen 'cywyddau' (No. 15 incomplete) by, or attributed to, Dafydd ap Gwilym; pp. 199-206 (previously 1-8), transcripts of poems by, or attributed to, Gruff. ap Maredydd ap Dafydd; pp. 225-72, transcripts of, or extracts from, poems by, or attributed to, Dafydd ap Edmund, Llowdden, Siôn ap Dafydd ap . . ., Syr Lewys y defaid, Syr Lewys Anwyl, Robt. ab Ifan, Richd. Dafies, Esgob Dewi, Dafydd Nanmor, Tudur Aled, Wm. Cynwal, Siôn Brwynog, Harri ap Thomas ap Wiliam o'r ddiserth, ? Gruff. Hiraethog, Siôn Tudur, Syr Lewys Gethin, Lewis ab Edward, Dr. Morgan, Esgob Llanelwy, Alis ferch Gruff., Cadwgan ffol, Rhys Cain, Gutto'r Glynn, Iolo Goch, Llywelyn ab Gruffudd, Llywarch Hen, ?Siôn Dafydd Nanmor, Ieuan Gethin ab Ieuan ab Lleison, Hugh bach ab Hywel ab Shenkin, William Llyn, Edd. Llwyd, 'ceidwad y Museum yn Rhydychen', Gwalchmai, Lewis Powel, William Midelton, Bleddyn Fardd, Meil. ab Gwalch., and Pryd. Moch, and a transcript of a prose item ['Araith y gwr moel o Sythia']; and pp. 281-92, transcripts of poems [from the 'Book of Taliesin']. P. 297 is inscribed 'Caniadydd Morganwg sef Casgl o Hen Garolau, Caniadau, a Chwndidau. Rhif 11', and is followed on pp. 301-36 by transcripts of fourteen 'cwndidau' by, or attributed to, Thomas ab Ieuan ab Rhys and one 'cwndid' by, or attributed to, Thomas ap Ieuan Madog. P. 341 is inscribed 'Cwndidau a Chaniadau Rhys Brydydd o Lyfr R. Bradford', and is followed on pp. 343-59 by transcripts of three poems (two 'cwndidau') by, or attributed to, the said poet. Intermingled with the poems are notes or anecdotes relating to the following poets and 'eisteddfodau' - pp. iv, 79, and 121, Gwilym Tew and 'eisteddfodau' at the monastery of Pen Rys in Glyn Rhondde and Caerfyrddin; vii, Lewis Glynn Cothi and Tudur Penllyn; 50, Einion Offeiriad; 60, Dafydd ap Edmwnd and an 'eisteddfod' at Caerfyrddin; 100 and 104-05, Lewys Morganwg and 'Eisteddfod y Penrhyn yn Arfon'; 109 and 235, Gutto'r Glynn; 114, Siôn Mowddwy; 235-6, Iolo Goch; 237, Llywarch Hen; 265, Tudur Aled; and 342, Meredydd Philip (alias Bedo Philip Bach), his brothers Thomas and William, and his nephew Hopcin Thomas Philip, William Dafydd, and Morgan Pywel. Pp. 115-18 contain transcripts of notes on the use of double rhyme ('cyfochri') in some Welsh strict poetic metres and on the vaticinatory element in Welsh verse. These notes are attributed to Siôn Bradford. Edward Williams ('Iolo Morganwg') has inserted comments on some of the poems in the volume.

Transcripts, mainly by Rhys Jones o'r Blaenau, editor of Gorchestion Beirdd Cymru (Amwythig, 1773), of 'cywyddau' and other poetry by William Llŷn, Rhys Goch Glyndyfrdwy, Tudur Aled, Edward Morus [Perthi-llwydion], Gruffudd Hiraethog, Gruffudd ab Ieuan ap Llywelyn Fychan, Gruffudd Gr[y]g, Dafydd ab Edmwnd, Lewis Daron, Lewis Menai, Sion Tudur, Goronwy Owen, Sion Dafydd Lâs, Thomas Prys, Huw Mor[y]s, Dafydd ap Gwilym, Dafydd Nanmor, Mor[u]s Dwyfech [Morus ap Dafydd ab Ifan ab Einion], Rhys Cain, Bedo Brwynllys, Bedo Aeddren, Ieuan Deulwyn, Gruffudd Llwyd ap Dafydd ab Einion, Edwart Urien, Sion Cain, Ieuan Dew Brydydd, Lewis Glyn Cothi, Lewis Trefnant, Maredudd ap Rhys, Tudur Penllyn, Ieuan ap Hywel Swrdwal, Llawdden, Owain Gwynedd, Sion Ceri, Syr Ifan [o Garno], Robin Ddu, Hywel [ap] Rheinallt, Gutun Owain, Guto'r Glyn, Huw Arwystli, Dafydd Ddu Hiraddug [Dafydd Ddu Athro], Ieuan ap Tudur Penllyn, Iolo Goch, Sion Cent, Ieuan Brydydd Hir [Hynaf], Huw Llwyd Cynfal, Gruffudd Llwyd ab Ieuan, Richard Cynwal, Huw Machno, Robert Dyfi, Iorwerth Fynglwyd, Syr Rhys o Garno, Hywel ap Dafydd ab Ieuan ap Rhys, Richard Phylip, Evan Evans ('Ieuan Brydydd Hir'), Ieuan Du'r Bilwg, Aneirin Gwawdrydd, Taliesin, Morys ab Ieuan ab Einion, Deio ab Ieuan Du, Rhys Pennardd, Meil[y]r Brydydd, Cynddelw [Brydydd Mawr], Thomas Jones (Tregaron) ['Twm Sion Cati'], Wiliam Cynwal, Llywarch Hen, Bedo Hafesp, Huw Pennant, Edward Richard (Ystradmeurig) and David Richards ('Dafydd Ionawr').

A seventeenth century collection of 'cywyddau' including poems by Bedo Aeldrem [sic], Dafydd ab Edmwnt, Dafydd ab Gwilym, Dafydd Nanmor, Dafydd Nanconwy, Deio ab Ieuan Du, Edmwnd Prys, Gruffydd ap Ieuan ap Llywelyn Fychan, Gruffudd ap Dafydd ap Hywel, Gruffudd Gryg, Gruffudd Hiraethog, Guto' r Glyn, Huw Dafydd Llwyd o Gynfal, Huw Arwystli, Huw ap Rhys Wyn, Huw Pennant, Hywel ap Rheinallt, Hywel Cilan, Ieuan Dyfi, Ieuan Llwyd Brydydd, Ieuan Gethin ap Ieuan ap Lleision, Ieuan Brydydd Hir, Inco Brydydd, Iolo Goch, Iorwerth Fynglwyd, Lewys Daron, Lewis Glyn Cothi, Lewys Môn, Lewis Menai, Maredudd ap Rhys, Morgan ap Huw Lewys, Morys ab Ieuan ab Eigan, Morus Dwyfech, Owain Waed Da, Rhys Goch Glyndyfrdwy, Rhys Goch Eryri, Rhys Pennardd, Rhisiart Gruffudd ap Huw, Rhisiart ap Hywel Dafydd, Robert Leiaf, Simwnt Fychan, Siôn Brwynog, Siôn Cent, Siôn Phylip, Siôn Mawddwy, Siôn Tudur, Sypyn Cyfeiliog, Syr Dafydd Trefor, Syr Huw Jones, Tudur Aled, and William Llŷn; 'cywyddau' and 'englynion' on the psalms; 'cywydd byr hanes . . . Crickieth'; an englyn by John Lloyd, Llysfasi. The manuscript belonged at one time to Lewis Morris, who filled in gaps, adding notes and some new material.

'Cywyddau' and other poems by Rhys Gray, Hywel Cilan, Huw ap Huw, Sion ap Hywel ap Llywelyn Fychan, Guto'r Glyn, Lewis Glyn Cothi, Dafydd ap Gwilym, Ieuan Dew Brydydd, Ieuan Brydydd Hir, Wiliam Llŷn, Iolo Goch, Gruffudd Gryg, Syr Dafydd Trefor, Dafydd Nanmor, Wiliam Cynwal, Lewis Menai, Sion Tudur, Tudur Penllyn, Gruffudd Hiraethog, Sion Brwynog, Dafydd ab Edmwnd, Lewis Môn, Llywelyn Moel y Pantri, Sion Dafydd Rhys, Hywel Rheinallt, Rhys Goch Eryri, Llywelyn Goch ap Meurig Hen, Ieuan Gethin ab Ieuan ap Lleision, Lewis Morganwg, Huw Llwyd Cynfal, Sion Phylip, Richard Phylip, Tudur Aled, John Davies, Owain Gwynedd and Sion Cent.