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A volume containing two collections of transcripts of poetry, with copious annotations, in the hand of Owen Williams ('Owain Gwyrfai'), Waunfawr. The first collection, entitled 'Llwyn y Gell', includes 'cywyddau', etc. by Gruff. Llwyd ab Dafydd ab Einion, Dafydd Pennant, Aneirin Gwawdrydd, Dafydd ab Gwilym, Lewis Môn, Rhys Goch Eryri', 'N.', Sion Cent, Sion Tudur, Gwilym ap Ieuan hen, Bedo Aerddren, Hugh Hughes ('Y Bardd Coch o Fôn'), Llywelyn ab Gutun, Gruffydd ab Ieuan ab Llywelyn Vychan, Syr Owain ab Gwilym ('Person Tal y llyn'), Hywel ab Dafydd ab Ifan, Thomas Prys o Blas Iolyn, Owen Gwyn[e]dd, Deio ab Ieuan Du, Tudur Penllyn, Iolo Goch, Llewelyn ab y Moel, Tudur Aled, Madog Benfras, Dafydd Nanmor, Sion Philip, Bedo Brwynllys, Lewis Menai, Gruffydd Grug, Syr Dafydd Trefor ('Person Llanallgo a Llaneugrad'), Dafydd ab Owain, Ieuan Tew brydydd, Dafydd Llwyd ysgolaig, Dafydd Llwyd [ap Llywelyn ap Gruffydd] and Hugh Arwystl; lists of titles and of first lines of poems by individual authors in the Lewis Morris MSS in the British Museum, taken from Y Greal, 1805-7, and from the scribe's own manuscripts; and lists of contents of 'Llyfr y Parch. O[wen] J[ones, 'Meudwy Mon'] Manchester', 'Llyfr Hir Bodadden', and 'Llyfr Byr Bodadden'. The sources used by the scribe for his transcripts of poems include 'L[l]yfr ysgrif Eiddo Mr. Owen Roberts gynt o Bentraeth Mon', 'L[l]yfrau Owen Gruffydd Llanystumdwy', and '[L]lyfrau M.S. pwdredig eiddo Mr. Jonathan Jones, Colector of Carnarfon 1855'. At the beginning is a list of poets whose titles were taken from Y Greal and a list of titles of poems transcribed in full. The collection was compiled during the period 1855-9, although the fly-leaf bears the scribe's name dated 1863. The second collection, beginning at the end, is entitled 'Y Gell Gynen, ('herwydd canau cynen sydd ynddo') and contains fliting poems ('ymrysongerddi') between Edmwnt Prys and William Cynwal and Sion Philip and Edmunt Prys, together with additional 'cywyddau' by Edmunt Prys. This section of the manuscript was compiled between 1844 and 1846, but there are some additions of the period 1859-61. Recorded on the upper end paper are timber purchase accounts of Owen Williams, 1844-5. The manuscript is lettered on the spine 'Owain Gwyrfai MS'.

A slightly imperfect manuscript consisting mainly of transcripts of Welsh strict- and free-metre poems including poems by, or attributed to, Tal Iesin, [Rhys Prichard, 'Yr Hen Ficer'], Sir Rice ab Richard, John Tydyr, Dauydd Llwyd, Morgan ap Howel, Llywelyn Siôn, Thomas Llywelyn, Ioroeth Fynglwyd, Sieiles ap Siôn a Gwas yr henaynt, Ffylib Emlun, Dafydd Nawmor, Siôn Phelib, Morys ap Howel, Lewys Morganw[g], Llewelyn ap Howell, Robert Leia, Siôn Kent, Gryffydd Llwyd ab Einon Lygwy, Rys ap Hari, Iolo Goch, Dafudd Ddu 'o Euas', Lewys Glyn Kothi, Gwillim ap Ieuan, Ievan Glyn Cothi, Iefan ap Rydderch ap Iefan Llwyd, Dauydd ap Mredydd Tudyr, Thomas Gryffudd, ? Thomas Llewelyn Dd. ap Hyw[e]l 'o Flaengwrach', Thomas Jones, Hopgin Thomas Phulib, Thomas ap Ieuan ap Rhys, and Siôn Lewys Gwyn. Also included are a transcript of the Welsh tale of the birth of Taliesin (ff. 1-4), a few medicinal recipes, and some seventeenth century financial memoranda. The greater part of the volume is written in a number of artificial or contrived copying hands, the scribe in some instances appearing to simulate a gothic script. The initial capitals of some of the poems have elaborate decorative detail sometimes incorporating the outlines of human figures or faces, the latter mostly grotesques. The volume has been attributed to a Glamorgan or Gwentian copyist of the first half of the seventeenth century (see TLLM, t. 44). If this dating is accepted stanzas such as those by Rhys Prichard probably have to be regarded as later insertions. There are marginal annotations in the hand of Edward Williams ('Iolo Morganwg').

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 composite volume containing miscellaneous lists, notes, jottings, etc., of a very varied nature in the hand of Edward Williams ('Iolo Morganwg'). Included are pp. 1-22, miscellaneous extracts allegedly from a manuscript in the hand of Siôn Bradford (extracts - single words or lines, couplets, stanzas, etc. - from the works of Welsh bards, occasional annotations by Siôn Bradford, an anecdote relating to a bard named Ieuan ap y Diwlith, notes relating to fifteen strict poetic metres in a system described by Antoni Pywel, 'englynion' attributed to Siôn Bradford himself ); 38, a brief note on the colour of bardic robes; 39, lists of 'graddau cenhedlaeth hyd y nawfed ach'; 41-4, notes relating to the introduction of 'a new musical system or theory into Wales' possibly from Ireland in the time of Gruffudd ap Cynan including a comment to the effect that no musical instrument was mentioned by Welsh bards circa 1080-1280; 45-6, 181- 4, 247-51, notes on the word 'Cimmeri' and its variants as a national appelative and the formation of the language of the said people; 51-2, brief notes on steel making; 53-4, notes ? relating to the Glamorgan system of Welsh metrics; 55-6, a list of bards headed 'Llyma enwau Beirdd Cadeirogion Tir Iarll amser yr ymryson a fu ryngddynt am farwnad Ieuan a Hywel Swrdwal', and a note relating to 'Cadair Tir Iarll'; 59, a note relating to Gruff. ap Cynan's flight to, and return from, Ireland; 60, triads relating to 'cerdd deuluaidd' or 'cerdd arwest'; 61-3, notes on an 'eisteddfod' organised by Gruff. ab Nicolas at Carmarthen [circa 1450], the part played by D[afydd] ab Edmwnd, the reluctance of the bards of Morgannwg to accept the rules, etc., devised by Dafydd ab Edmwnd, the research undertaken by the said bards into the bardic system, rules, etc.; 66-9, statistics relating to the population of Wales (N.D.) with comments on the English element in Pembrokeshire and Gower, co. Glamorgan, and the English influence on the Welsh border; 70-71, a note on the 'Scaldic School' of poets in Wales; 81 + 93, notes on the words 'Llysdanc' i.e. ' juridical peace', and 'cyfallwy'; 97, a note on Rhobert, iarll Caerloyw (earl of Gloucester), his acquisition of Tir Iarll, and his organising of the bardic order, with mention of the poets Rhys Goch ap Rhiccert (temp. Robert), Ieuan fawr ap y Diwlith, and Trahaearn Brydydd mawr; 101-03, notes on Davydd ap Gwilym more particularly chronological; 105-07, notes relating to an 'eisteddfod' held at Glynn Achlach in Ireland [temp. Gruffudd ap Cynan], an opinion on the alleged connection between the said Gruffudd, Bleddyn ap Cynfyn, Rhys ap Tewdwr, and Gruffudd ap Rhys successively and the formulating of regulations for the Welsh bardic order, and a comment on the probability of Bleddyn ap Cynfyn 'having instituted some Regulations respecting Pedigrees and Land rights' and of Gruffudd ap Cynan having 'introduced Irish or Scaldic music and rules of good order amongst Musicians into North Wales'; 111, a list of place-names containing the element Bangor; 138-9, notes relating to 'Cadeiriau ag Eisteddfodau wrth gerdd dafod' ('Cadair Tir Iarll', 'cadair ym Marchwiail', 'eisteddfodau' at Caerfyrddin and Caerwys, 13th-16th cent.); 140, a note on the poet Gwilym Tew; 141-8, notes on 'eisteddfodau' held at Caerfyrddin in 1451 and N.D., and decisions taken relating to the bardic order and 'cerdd dafawd'; 149-51, genealogical data relating to Iestin ab Gwrgan, lord of Morgannwg; 152 + 157, a brief chronicle of historical and pseudo- historical events in Britain, 1300 B.C. - 230 A.D.; 156, an anecdote relating to Gwaithfoed, lord of Cibion and Ceredigion, and the Saxon king Edgar; 158-9, notes relating to Welsh strict metres referring to 'Cwlm Cadair Caerfyrddin' based upon metrical systems arranged by Gwilym Tew, Dafydd ap Edmwnd, and Llawdden; 165, transcripts of five 'englynion' attributed to Dafydd Benwyn; 167, notes on Owain ap Cadwgan and his son Einion, temp. Henry I; 171-2, notes on Thomas Jones of Tregaron ('Twm Siôn Catti'); 178-9, an anecdote relating to the bard Siôn Cent; 185, notes headed 'Origin of letters in Britain'; 187, a note relating to derivative and compound words in Welsh; 188, a list of fourteen ? rules under the heading 'Theophilanthropists of Wales or Berean Society'; 189, a note on an 'eisteddfod' held by Rys ap Tewdwr at Castell Nedd in 1080; 213, a short list of Glam[organ] proverbs and idioms; 230, a note on 'Hopcin ap Thomas ap Einion Hen a elwir Einion Offeiriad' and the said 'Einion Hen'; 233-41, extracts from [Joseph Robertson:] An Essay on Punctuation (1785); 243-6, transcripts of seven stanzas of English religious verse, an English prayer, and the music of two psalm tunes; 253, an extract from a 'cywydd' attributed to R[hys] G[och] Eryri, and a list of words headed 'Geiriau Gofram yr Alban Eilir, 1815'; 254-61, lists of words and other extracts from Henry Perri [: Eglvryn Phraethineb sebh dosparth ar] Retoreg [ Lhundain, 1595], and other poetic extracts; 262-3, a copy of a 'Sonnet on the prospect of Vaucluse from Petrarch' and an epitaph on an infant by Edwd. Williams, and a list of 'Places to enquire where they are'; 269-74, miscellaneous poetic extracts to illustrate specific words such as 'barddas', 'gwyddfa', etc., and lists headed 'Pumwydd Celfyddyd' and 'Naw Cynneddf Doethineb'; 275, a brief note on the practice of planting trees at crossroads in Glamorganshire; 277-9, a description of the method of swearing the bardic oath; 281-2, a list of the names by which God is known in Welsh with English definitions; 284-5, brief notes relating to the poet Llywelyn Llogell Rhison and his two brothers of Marchwiail [co. Denbigh], and the poet Mab Claf ab Llywarch, with a reference to the attribution of 'Englynion Eiry Mynydd' to the said Llywelyn and Mab Claf; 286, notes on the written version of the tale 'Hanes Taliesin'; 291-2, a list of 'Prif gyfoethau Gwlad Gymru', (continued)

298-300, an extract from the Saxon Chronicle with an English translation; 302, a comment on adverse opinions concerning the antiquity of 'Glam[organ] bardism and its concommitant literature'; 303, notes relating to the bardic 'chair of Glamorgan in Tir Iarll', 'Cadair Taliesin', and 'Cadair Urien'; 304-06, notes headed 'Llyma ddosparth yr awgrym' with lists of numerals headed 'Llyma lafariaith awgrym herwydd a'i dangosir dan a[r]wyddon rhif sathredig y cenedloedd . . .' (see J. Williams ab Ithel: Barddas . . ., vol. I, pp. 98-103); 309, a copy of the civil marriage vow of the time of Oliver Cromwell in Welsh; 311-12, a note on Gruffudd ap Cynan's institution of ? triennial 'eisteddfodau' at Aberffraw and of rules for the bardic fraternity; 316, a biographical note on the Bradford family of Tir Iarll or Bettws [co. Glamorgan]; 319, a note on 'cynghanedd' prior to the time of Gruffudd ap Cynan; 324, a transcript of an 'englyn' attributed to Lewys Mon; 325-6, three triads headed 'Bardic Theology'; 329-30, eight triads headed 'Trioedd amrafaelion'; 335-6, a transcript of six stanzas of Welsh verse attributed to Rhobert, tywysog Norddmandi; 340, notes on the means adopted by Welsh bards to earn a living, circa 1500-1680; 341, six triads headed 'Trioedd Iaith ag Ymadrodd'; 344-8, notes on the development of alliteration in Welsh poetry and the 'rules of . . . the Scaldic School of Welsh versification'; 357-8, a few bardic triads; 374-5, notes relating to various bardic 'chairs'; 379, questions and answers relating to 'Pair Ogrwen', 'Cariadwen', and 'Pair Dadeni'; 387, a short list of four triads; 390-91, notes relating to 'chware hud a Iledrith' of Math ap Mathonwy; 397-9, 402-03, lists of proverbial or idiomatic expressions in Welsh; 407-11, a list of thirty triads headed 'Llyma'r Trioedd a ddatcanodd Iolo Morganwg yng Ngorsedd Beirdd Ynys Prydain ar Frynn Dinorweg yn Arfon, Alban Elfed 1799'; 411-20, notes relating to ? bardic ceremonial and the duties of bards, and seven triads headed 'Llyma Drioedd cynghlo Cadair a Gorsedd'; 421-2, a list of Welsh phrases with English equivalents headed 'Address of letters - salutations in Glamorgan'; 442-3, a list of rules headed 'Rules to know when two languages have had the same word from remote antiquity which may claim it as originally its own'; 445-6, brief notes relating to the early bishops of Bangor, and Ylldud farchog and Eilifri, his mother; 447, transcripts of two 'englynion' attributed to Huw Cornwy and Huw Llwyd Cynfel; 447-8, notes on a ruin called Myrddin Taliesin on the banks of Llynn Geirionydd [co. Caernarvon]; 449, notes headed 'Pedwar Cerddawr Graddawl'; 450-51, an anecdote relating how [Edward Williams] 'Iolo Morganwg' nearly lost his life through sleeping near a lime kiln at Llanelltyd [co. Merioneth] in June 1799; 452-7, transcripts of 'englynion' attributed to Siôn Philip, Edmund Prys, Huw Ednyfed, Lewis Môn, Tudur Aled, Owain Ifan, Iorwerth Fynglwyd, Rhys Tyganwy, Huw Llwyd Cynfel, and Gruffudd Philip, and other poetic extracts; 472 + 475, transcripts of 'englynion' attributed to Richard Philip and Gruff. Hiraethog; 479, notes headed 'Edward Williams's idea of Public worship or Religious instruction rather'; 481-5, notes referring to Welsh literature in the late medieval period after the Edwardian conquest and, in connection therewith, the development of alliteration, the production of triplet verse and prose triads, the triads and verses of Llewelyn Llogell Rhison of Marchwiail, and the works of Hopcin Thomas ap Einion in South Wales, references to the existence of 'triades, triplet verses, etc., of very great antiquity', and to Druidic, Scaldic, Norman, Roman, and Saxon influences ? on literature, and a note on the lasting effects of the Edwardian conquest on political and religious attitudes in North Wales; 506, lists of 'flowering shrubs', 'native flowers rare', and 'evergreens' in Glamorgan; etc. Interspersed amongst the above items throughout the volume are lists or groups of Welsh words, notes on Welsh words, etymological notes, genealogical data, miscellaneous extracts from a variety of printed sources, and other miscellaneous items.

Miscellaneous papers and home-made booklets containing transcripts, notes, lists, jottings, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents are extremely varied. Prose items include items such as a brief note on Dafydd ap Gwilym (40), notes relating to Gruffudd ap Cynan and the 'eisteddfod' at Glyn Achlach in Ireland (41-2), a list of 'Constellations in Glam[organ]' (46), a list of 'Rhannau'r Dydd' (47), a version of the tale of Elphin and Taliesin at the court of Maelgwn Gwynedd copied 'Ex 37 P.P.' (i.e. Paul Panton MS 37 now NLW MS 2005, of which see ff. 26 verso-48 verso) (75-96), a list of Welsh bards, 11th - 15th cent., with occasional notes (104-05), an anecdote relating to Owain Glyndwr taking refuge in Syr Lawrens Berclos' s castle (106), genealogies of Iestyn ap Gwrgant, lord of Morgannwg, 1091, Meuric, lord of Gwent, descendant of Iestyn, and Syr Rhaph Rhawlech (107- 10), an anecdote relating to Owain Cyfeiliawc (112), a note on the descendants of Iestin ab Gwrgant (114), a note on Richard y Fwyalchen sef Syr Richard Williams, fl. 1590-1630 (116), extracts from [Dauid] Powel [: The Historie of Cambria now called Wales, 1584], pp.191-2, relating to the Welsh bards and minstrels (123-5), genealogical notes on members of the Cecil family from the time of Sir Rotpert Sitsyllt, late 11th cent., to the time of Sir William Cecill, Lord Burghley (127-33), a brief note on the computation of time and on 'Elinor Goch o dir Iarll' (140), notes relating to Welsh bardic grades (149-54), extracts from the review of The Myvyrian Archaiology of Wales which appeared in The Monthly Review, July 1802 (159-60), a list of Welsh proverbs (161-3), a note relating to, and extracts from, Thomas Jones [: Carolau a Dyriau Duwiol, 1696] (165-6), a list headed 'Deuddeg Prifgampau Gwybodau Gwrolion' (169-71), a section headed 'Mangofion am yr hen Brydyddion a hen gerdd dafawd' containing notes and triads relating to Welsh bardism and more particularly the 'bardd teulu' and 'cerdd deuluaidd' (175-85), a copy of the bardic oath ('Adduned neu Dynghedfen Bardd') (191), notes commencing 'Pum Cenedl gynhwynawl a wladychant Ynys Prydain' (207-08), a note relating to Gilbert y Clar (ob. 1295) and his son (ob. 1313) (223), triads (224-5), brief notes on the five stages in the development of ? the Welsh bardic alphabet ('Pumoes Llythyr') (226), notes relating to Gruffudd ap Cynan's flight to Ireland, 1096, and his organising of a meeting of bards and musicians at Glyn Athlach (227), a note on 'Cadair arddangos Tir Iarll' (228), notes headed 'Glamorgan School (Poetry)' containing references to Rhys Goch ab Rhiccert, Norman literary influence in South Wales, Walter de Mapes, D[afydd] ap Gwilym, translations into Welsh, 'Saith Doethion Rhufain', 'Ystori Siarlymaen', the 'Mabinogion', and Walter, archdeacon of Oxford and the original of Geoffrey of Monmouth's 'Historia', and an anecdote relating to Rhys Goch Eryri, etc. (245-7), notes headed 'Bardism lost in North Wales' relating to the state of bardism in North and South Wales from circa 1400 onwards with comments on the restoration of the Welsh language in which Dr. John Davies [of Mallwyd] is referred to as 'the saviour of our language, its regenerator . . .' (253-7), a list of words and phrases ? from [Hugh Lewys:] Perl mewn Adfyd (263-4), a note on translating (295-6), a version of a conversation between teacher and disciple concerning creation, the nature of created matter, the first man, the first three letters, etc., with a note by Edward Williams on the word 'manred' (? the substance of created matter) (307-09), notes relating to the three bardic brothers Madawc, Ednyfed, and Llywelyn ap Gruffudd of Marchwiail [co. Denbigh], an 'eisteddfod' held at Maesaleg [co. ], ? temp. Edward III, another 'eisteddfod' at Marchwiail, temp. Edward III, Gwilym Tew and an 'eisteddfod' at the monastery of Penn Rhys in Glyn Rhodni [co. Glamorgan], an 'eisteddfod' at Caerfyrddin, N.D., successive re-organising of the rules and regulations relating to bards and bardism and musicians in the time of Morgan Hen, prince of Morgannwg, and his brother Ceraint Fardd Glas [10th cent.], of Bleddyn ap Cynfyn [11th cent .], of Rhys ap Tewdwr, lord of Dinefwr (with references to a quarrel between the said Rhys and lestyn ab Gwrgan, lord of Glamorgan, because the latter had carried off 'Rhol y Ford Gronn'), of Gruffudd ap Rhys ap Tewdwr, and of Gruff. ap Cynan, and the patronage of the bards by the squirearchy after the fall of the princes (311-16), rules of the bardic order headed 'Llymma ddosparth y Ford gronn ar Feirdd a phrydyddion a gwyr wrth gerdd Dafawd yn Llys yr amherawdr Arthur . . .', with a note on the disappearance of 'Dosparth y Ford Gronn' and its subsequent restoration by Rhys ap Tewdwr (323-32), another ? incomplete list of regulations for the bardic order headed 'Llymma Hen Ddosparth ar Freiniau a defodau Beirdd a Phrydyddion a phob gwrth (sic) wrth Gerdd Dafawd o Hen Lyfr Watkin Powel o Benn y Fai' (333-5), a version of the gorsedd prayer ('Gweddi Talhaiarn neu weddi'r orsedd') with an English translation (337), a short list of miscellaneous Welsh triads (343), brief notes on the saints Elli and Twrog and 'Llyfr Twrog' (360) (continued)

a list of 'Words collected in Blaenau Morganwg, anno 1770' (361-2), a list of eight ? chapter headings under the superscription 'Dissertation on the Welsh Language' (364), copies of, and a note on, inscriptions 'on Ffynon Illtud near Neath', and on a tombstone in Margam Abbey (371), a note on the institution of 'Y Ford Gronn' by the Emperor Arthur (372), anecdotes or notes relating to twelve Welsh saints (385-8), an anecdote relating to a quarrel between Dafydd ap Gwilym and Gruffudd Grug (389), notes on the fifteen tribes of Gwynedd ('Pymtheg Llwyth Gwynedd o Drefn y Brenin Alfryd ac Anarawd ap Rhodri Mawr . . .') (391-402), ? extracts from the letters of Goronwy Owen with comments by Edward Williams ('Iolo Morganwg') (409-15), a list of the names of authors of carols in a volume belonging to 'Mr. Davies o Fangor' (417-18), a note on the bard Llawdden (418), notes under the heading 'Eisteddfodau Gwynedd' referring to 'eisteddfodau' at Marchwiail (14th cent.), Nant Gonwy (15th cent.), Croesoswallt, Caerwys (16th cent.), and Bala (late 17th cent.), Gruffudd ap Cynan's visit to an 'eisteddfod' at Castell Dinefwr and his introduction of the bardic regulations formulated there into North Wales, etc. (included is an 'englyn' attributed to Dafydd Llwyd 'o Fathafarn') (418-22), an anecdote relating to the bard Llawdden and Gruff. ap Nicolas and the convening of an 'eisteddfod' at Carmarthen, 19 Henry VI (428-9), brief notes referring to 'cynghanedd' usage prior to the 'eisteddfod' at Caerfyrddin in 1451, changes inaugurated by Llawdden with regard to 'cynghanedd' and the strict metres, etc- (431-2), notes headed 'Llyma gyfarwyddyd parth ag am y Naw cwlm cerdd a fuant yng ngherdded Oesoedd amrafaelion ar arfer gan Feirdd a Phrydyddion Cymru' (433-4), notes on 'poetical talent' in the family of Meilir Brydydd, the Gower family in Glamorgan, the family of Einion ap Collwyn, and the 'Avan Branch of the House of Iestin ap Gwrgan', and general observations on the possibility of the development of poetic taste and ability in an individual, etc. (435-40 ), an ? incomplete list of triads headed 'Trioedd y Ford Gronn yn Nhir larll' (453-5) a note relating to 'cerddi teuluaidd' found in manuscript volumes in Glamorgan (463), a note on a bardic 'cadair arddangos' (464), an anecdote relating to Ifor Hael, Llywelyn ap Gwilym, and Dafydd ap Gwilym and a bardic convention at Gwern y Cleppa circa 1330 (466), a note on the bard-brothers Siôn, Wiliam, and Richard Philip of Ardudwy (467), a short list of three triads headed 'Trioedd Cadair Morganwg' (468), notes relating to an 'eisteddfod' at Nant Gonwy, 1 Edward IV, where the strict- metre poetic system devised by Dafydd ap Edmwnt at the 'eisteddfod' held at Carmarthen, 9 Henry VI, was ? officially accepted ('breiniwyd'), incorporating 'englynion' attributed to Dafydd ap Edmwnt and Twm Tegid of Llan Gower in Penllyn (479-81), a list of Glamorgan proverbs ('Diarhebion Morganwg Cymmysg') (499-506), two sets of outline notes headed 'Ancient British Literature' and 'Characteristics of ancient Welsh Literature in its several ages or periods' (507-10), a list of English proverbs headed 'Lantwit and Gower proverbs. The Devil's name in every one of them' (513), miscellaneous triads headed 'Trioedd Cymmysg' (515-16), two lists headed 'Deg Peth ni thalant ei hachub o'r Tan' and 'Deuddegpeth drwg a drwg fydd eu diwedd' (531), a list of 'Mesurau cerdd dafawd Cyffredin', which, according to a note at the end, were also known as 'Mesurau arwest' and 'mesurau cerdd deulu' (536-9), a note on poetical works which appeared in Wales circa 1350 and later in the same century and were attributed to Taliesin and other bards (540), notes referring to 'eisteddfodau' at Caerfyrddin in 1451 and 1460, Nant Conwy [temp. Tudur Aled], and Caerwys, temp. Henry VIII and temp. Elizabeth, with references to changes introduced in the bardic rules and regulations and incorporating an 'englyn' attributed to Ieuan Tew Ieuanc (541-3), and a brief note on the bardic 'Cadair Tir Iarll' (543). Verse items include transcripts of poems, largely 'englynion', or sections of poems attributed to D[afydd] ab Gwilym (40), Taliesin, Iolo Goch, and Llywelyn Goch ap Meyryg Hen (49), Y Bardd Glas o'r Gadair (97-8, 134-7), Caradawc Llancarfan (99), Gwgan Farfawc 'o Landathan' or Gwgan Fardd (100-04), Edward Rhisiart 'o Lan Fair y Bont Faen' (113), Dafydd y Blawd (115), Rhys Meigen (117), Thomas Morgan 'o'r Tyle Garw' (118-20), William Davies or Gwilym Tir Ogwr (122), Siôn y Cent (126), Elis Wynn 'o Las Ynys' (144-5), Edmund Prys, Ficar Clynog Fawr ('mab yr hen archiagon') (145-6), Siôn Morys 'o Lanfabon' (148), lorwerth ap y Gargam (223), y Parchedig D. Dafis, 'gweinidog Llwyn Rhyd Owain' (353-5), Daf. Benwyn (378), Dafydd Nicolas, Aberpergwm (390, 426), Dafydd Alaw (403- 04), Siôn Brwynog (405-06), Llawdden (406, ? 426, 428), Wiliam Cynwal (408 ), Richard Philip (408, 467), Wm. Llyn, Dafydd ap Edmwnt, Robert Clidro, Howel Bangor, and Cadwgan ap Rhys (425), Thos. Llewelyn 'o Regoes' (426), Gruff. ap Maredydd ap Dafydd, Rhisiart Iorwerth, and Siôn Tudur (427), Gruff. ap Dafydd ap Tudur (428), Tudur Aled and Huw Llwyd Cynfel (430), Prohl (with a note 'Einon offeirad, Bardd Syr Rhys Hen o Abermarlais, a elwid y Prohl . . .') (461-2), [Edward Williams] 'Iolo Morganwg' (467, 507 ), and Dafydd o'r Nant (481). Also included are lists or groups of Welsh words sometimes with English definitions, excerpts from the works of Welsh poets, these sometimes to illustrate specific words, miscellaneous genealogical data, notes relating to Welsh grammar and etymology, miscellaneous memoranda, extracts from a variety of printed sources, etc.

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

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

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

A manuscript in the hand of Edward Williams, 'Iolo Morganwg', entitled 'Gwersi Doethineb yr, Hen Gymry. a gasglwyd o'r Hên Lyfrau Ysgrifen, Gan Iolo Morganwg B.B.D. Yn y Flwyddyn 1800'. The contents include: p. 2, an announcement ('Ysbysiad') by 'Iolo Morganwg' in which he outlines his intentions in preparing the manuscript; pp. 3-26, 'Chwedlau'r Doethion (o Lyfr Tre Brynn)', being 160 'englynion milwr' (cf. Iolo MSS (1888), pp. 251-9); pp. 27-32, another series of 34 'englynion milwr' entitled 'Llyma chwedlau Doethion eraill, i ddoeth a'u deallo', (cf. Iolo MSS, pp. 260-1); pp. 32-34, 'Llyma Gynghorion y Bardd Glâs o'r Gadair i bob Gwr doeth a ddymunai rengu bodd Duw a Dynlon yn y Byd yma ac yn y byd arall . . .'; pp. 35-36, 'Llyma eraill o gynghorion Y Bardd Glas o'r Gadair' (end missing); pp. 37-41, [Cyfarddodau'r Bardd Glas o'r Gadair] being linked sequences of aphorisms (beginning missing); p. 42, 'Gnodiau y Bardd Glâs o'r Gadair', being six stanzas beginning 'Gnawd hir ofal i bob geuawg . . .'; pp. 43-47, 'Amryw Bethau gwiw eu dal ar gov. O Lyfr Rhys Thomas Argraphydd, a dynnawdd efe, meddai, o Lyfr y Parchedig Evan Evans', beginning 'Pump peth nid doeth ymddiried iddynt. . .'; pp. 48-56, 'Llyma Drioedd am a weddant fod ar ddyn ac ar Ddoethineb', beginning 'Tri pheth anhawdd eu cael . . .', said to be 'O Lyfr Edwd. Lewys, Yswain, O Ben Llin ym Morganwg'; pp. 57-58, 'Llyma rai drioedd eraill oddiar ddalen friw yn yr un llyfr', beginning 'Tri pheth a wnant wraig yn anniweir . . .'; pp. 58-60, 'Y to arall it ddalen y mae a ganlyn', beginning 'Tri pheth a attaliant wahoddedigaeth i wr . . .'; p. 60, 'ar ddarn arall o ddalen', beginning 'Tri pheth a wnant wr yn ddysgedig . . .'; p. 61, 'Llyma'r Naw celfyddyd Wladaidd - Y Naw Celfyddyd Dinesig', said to be 'O Lyfr y Parch. Evan Evans pan oedd ef yn y Caerau yn sir Fynwy'; pp. 62-66, 'Llyma Englynion Cain Cynwyre. (O Lyfr Joseph Jones)', being thirty stanzas purporting to be the work of Ystyffan Bardd Teilaw; pp. 66-70, 'Englynion Dead Fardd. (O Lyfr Sion Philip o Dre Os.)', beginning 'Bid goch crib ceiliawg yniawl ei lef . . . '; pp. 70-72, 'Trioedd', said to be from '(Llyfr Twm Robert)'; pp. 72-74, 'Llyma Ddewis bethau Bardd Ifor Hael. (O Lyfyr Mr. Cobb o Gaer Dydd.)', followed by a note by 'Iolo Morganwg' concerning the text; pp. 75-76, 'Casbethau Owain Cyfeiliawg. (O Lyfyr Mr. Cobb)', followed by a note on the text by 'Iolo Morganwg'; pp. 77-81, 'Dewisbethau yr Hen Fardd Llwyd o Forganwg'; pp. 81- 83, 'Dewisbethau Gwr doeth . . .', said to be 'O Lyfr Mr. Edward Sanders o Lansanffraid Fawr'; pp. 83-84, 'Dewis bethau Gwr. o Lyfr y Bardd Côch o Fôn, 1771'; pp. 84-85, 'Dewisav Gwr Taliesin', said to be from 'Llyfyr y Bardd Côch o Fôn'; pp. 85-87, 'Dewis Bethau Hywel Bwr Bach (LI. Mr. Sanders)'; pp. 87-89, 'Dewis Bethau Deio Maelinydd', '(Ll. Mr. Sanders)'; pp. 90-91, 'Casbethau Sion Goch o'r Hendref', '(Llyfyr Mr. Sanders)'; pp. 91-96, 'Dewis Bethau Sion Cwm Tridwr. (Ll. Sanders.)', followed by extensive notes on Sioni Cwm Tridwr by 'Iolo Morganwg'; pp. 97-98, 'Dewis Bethau yr hen Gap Du, (Llyfr Sanders.)', said to be by Wiliam Cap Du; pp. 98-103, 'Llyma Awdl y Gwaeau a gant Taliesin Ben Beirdd', beginning 'Gwae a gymmerth Fedydd . . . '; pp. 103-04, 'Casbethau Hen Goch y Dant'; p. 104, an 'englyn' by 'Iolo Morganwg' beginning 'Doethineb Da y'th enau yn siarad . . .'; pp. 105-07, 'Cerdd y Bardd Glas o'r Gadair, o Lyfyr Joseph Jones o Gaer Dydd, a ysgrifenwyd ynghylch y flwyddyn 1590', beginning 'Deg gormes caredforion . . .', followed by a note on Y Bardd Glas o'r Gadair; pp. 108-09, 'Llyma Englynion a fuant rwng Caradawg LlanCarfan a Gwgan Farfawg o Landathan (O lyvyr Joseph Jones o Gaer Dyv, 1590)', beginning 'Gwgan Farfawc, hanpyll gwell . . . '; and pp. 109-111, 'Atteb Gwgan Farfawg', beginning 'Hanpyll Gwell, ti Garadawg . . .'.

A volume containing transcripts, 17 cent., of cywyddau and other poetry by Dafydd ab Edmwnd, Rhys ap Hywel, Dafydd Nanmor, Guto'r Glyn, Iolo Goch, Sion Cent, Huw Arwystli, Lewis Morganwg, Maredudd ap Rhys, Edmwnd Prys, Dafydd ap Rhys, Taliesin, Sion Gwyn ap Digan, Morgan ap Huw Lew[y]s, Ieuan Brydydd Hir [Evan Evans or Ieuan Fardd], Catrin ferch Gruffudd ap Hywel ('o Landdeiniolen'), Lewis Glyn Cothi, Syr Phylip o Emlyn, Robert Lewis, Sion Phylip, Dafydd ap Gwilym, Wiliam Cynwal, Dafydd Nanconwy, Wiliam ap Robert, Robin Clidro, Gruffudd Hiraethog, Sion Tudur, Syr Huw Roberts and Hywel Swrdwal.

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.