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A composite volume of transcripts in the hand of Owen Jones ('Manoethwy'). The contents include 'cywyddau', 'awdlau', 'englynion', 'carolau' and 'cerddi' by Ifan Tew Brydydd, Hari ap Howel alias Harri Hir, Wiliam Cynwal, Sion Tudur, Morus Dwyfech, Gruffudd Hiraethog, Sr. Dafydd Llwyd Ysgolhaig, Llywelyn ap Gytyn, Guto'r Glyn, Hywel D'd Bevan ap Rhys ('o Sir Fon'), Rhydderch ap Sion, Dafydd Nanmor, Rhys Goch o Eryri, Huw Arwystl, Morys ap Ifan ap Einion ('Morus Dwyfach Medd MS arall') Sr. Dafydd Trefor ('Dr. John Kent ... Medd MSS M.P.', 'Sion Dafydd Trefor ... Medd MSS L.O.'), Howel ap Reinalld, Mredydd ap Rhys, Gruffudd D'd ap Howel, Rhisiart ap Howel Da 'Beinion, Bedo Phylip Bach ('Rhai a ddywaid mae Deio ap I'n Du ai Cant... '), Huw Pennant, Sion y Kent, Lewis Glyn Cothi, Edward Maelor '('Mae'n debig mae Edward ap Rhys Maelor ydyw Hwn... '), Dafydd ap Gwilim, Iolo Goch, Simwnt Vychan, Sr. Huw Jones ('Vicar Llanfair ynyffryn Clwyd'), Tudur Aled, Dafydd Llwyd ap Llew ap Gruff., Sion Brwynog, Iorwerth Fynglwyd, Taliesyn Aneurin G[wawdrydd], Maer Glas ('medd rhai'), Robin Ddu, Owain Twna, Dafydd Gorllech, Ifan Brydydd Hir, Edward [ap Rhys], Ie : Dyfi, Llywelyn ap Owain, Thomas Prys ('o Blasiolyn Esquire'), Edmund Prys, G[ruffydd] Philip, W. Elias (1730), Owain Gruffydd, Gruffydd Nannau (1654), Owain Gwynedd, Thomas Owen (1730), William Llyn, Tudur Penllyn, Huw Kae Llwyd, Llywelyn Goch Amheurig Hen, Edward Davies (Rhiwlas), Rich. Abram, Moris ab Evan ab David, Cadwaladr Roberts (ab Robert), Dafydd ab Sienkin, Richard [Davies] ('Esgob Dewi'), Ragiar [sic] Kyffin, Huw Morys, Arthur Jones (1734), Mathew Owain, Ellis Cadwaladr, Moris Rhobert ('o Sir Feirionydd'), Thomas Davies ('o Sir Drefaldwyn'), Robert Cadwalad[r] ('o Blwy Pennant'), Richd. Thomas D'd ('o Sir Fon'), Richard Ffoulkes, John Edwards, John Hughes, Moris ab Evan ap Dafydd ('o Lanoge'), Sion Ffoulke, Sion ab William Griffith ('o Lanfihangel ... '), Sion Phylip, G[ruffudd] Leiaf, D. Sion, W[iliam] Phylip, Rhisiart Philyp, H. ab Evan, [John Davies] 'Sion Davydd Las', Lewis Owain, Morgan Dafydd, Edwart Morris and Robert Klidro, and anonymous poems; 'englynion', etc. by contemporary poets, largely of the Richards (Darowen) circle of friends e.g. John Evans ('Ioan Maelor'), W[alte]r Davies ('Gwallter Mechain'),' R[ober]t Davies ['Bardd Nantglyn'], 'G. Brwynog', R[owland] P[arry] (Carndochan), H. K. (1851), Phoebe neu Eunice Jones (Llynlleifiad), [Peter Jones] 'Pedr Fardd', [William Edwards] 'Gwilym Padarn', [Morris Jones] 'Meurig Idris' and J. Blackwell ('Alun'), and anonymous poems; 'Sidanen Or a Song in Praise of the Glorious Queen Elizabeth' by Edward ap Rhys Wynne ap William Prys of Clygyrog, 'The meritorious gratulation of Esqr. Strangways to Llangedwyn ...' by John Davies, and anonymous English poems; prose texts, in some cases two copies, of 'Tri thlws ar ddeg o Frenindlysau Ynys Brydain ... ', 'Drygioni Medd'dod', 'Dewis bethau Howel lygad Cwsg', 'Trws'neiddrwydd Gruffydd ap Adda ap D'd', 'Achau Llewelyn ap Gruffydd y Tywysog diwaethaf o'r Cymru', 'Ymddiddanion ffraethion Cynhengras a fu rhwng y Pawn bach o Wickwair yn y Rhôs Is Conwy a Gwgon o Gaer Einion y Mhowys. A elwir yn gyffredin Araith Wgon', 'Cronigl Cymru a Lloy(e)gr yn amgyffred fal y treuthir isod' (with an additional 'narration' by Rice Jones), 'Taliesin a'i traethodd', 'Rhwng Merddin a Gwenddydd ei chwaer' and 'Merddin a Gwenddydd', 'The Most noted Poems in Mr Bulkeley of Brynddu's Collection' (now NLW MS832); 'An account of the wages paid the workemen for raissing a fence upon Ceiriog under Pentre gwyn a Tenem[en]t of the Hond. John Myddelton Esqr.', with a covering letter from Richd. Ffoulkes (transcribed from Cwrtmawr MS 222, p. 57v.); a power of attorney from Oliv[er] Thomas, Shrewsbury, yeoman to John Thomas Rees, Llanymowthwey, Merioneth, yeoman, 1674 (original in Cwrtmawr MS 222, p. 61) and a letter relating thereto from Robert Vaughan, Salop to John Thomas Rees (original in Cwrtmawr MS74, No. 3); records of the births and baptisms, 1712-33 [at Llansilin], of the children of Richard Ffoulkes (original in Cwrtmawr MS 222, p. 60v); transcripts of fifty-nine letters of Walter Davies ('Gwallter Mechain'), 1793-1831 and undated, largely addressed to Thomas Richards at Berriew and Llangynyw; a prospectus, 1793, of 'Celtic Remains' in two volumes, the first by 'the Late Lewis Morris Esq.' and the second by Walter Davies, All-Souls College, Oxford; letters largely to Thomas Richards, Berriew and Llangynyw or David Richards ('Dewi Silin') from Peter Bayley Williams, Llanrug, 1828, John Jones ('Tegyd'), Christ Church, Oxford, 1819-22 and undated, W[illiam van Mildert] bishop of Llandaff, 1822, D. Davies, Chester, 1825, Wm. Owen Pughe, London, 1812-19, Ebenezer Thomas ('Eben Fardd'), Llangybi, 1824, Robt. Parry ('Robyn Ddu Eryri'), 1824 and undated, Tho. Jones, Long Acre, London, 1825, W. Owen ('Eos Glan Hafren'), Newtown, 1824, John Roberts, Tremeirchion, 1822, Robt. Davies ['Bardd Nantglyn'], 1825 and undated, and A[neurin] Owen, [Nantglyn], 1821; a list of titles and first couplets of the poems of Dafydd ap Gwilym; 'Llyma henwe y 24 brenin or brutanied... ' (originally from a manuscript of William Thomas, Llanallgo). Inset at the end of the volume are transcripts of Montgomeryshire pedigrees, etc. Much of the material in the volume has been transcribed from other volumes now in the Cwrtmawr Collection (e.g. MSS 200, 222, 242 and 243) and there are references to such sources as 'un o lyfrau Maesglas Mallwyd' (transcribed in 1857) (p. 269), a manuscript in the hand of Robert Arthur (p. 342), 'Llyfr ym meddiant Lowri Jones' (p. 380), etc. A note pasted on the inside of the upper cover states 'This Vol. was copied by Owen Jones (brother of Myrddin Fardd) from a MS Vol. ... in the handwriting of Lewis Morris [Cwrtmawr MS 200] now at Bryntanad, Llanerfyl Montgomerys[hire] (Richards) E. Breese'. Owen Jones was for a short time a private tutor at BrynTanad (see The Dictionary of Welsh Biography). The spine is lettered 'Mannoethwy MSS'.

A composite manuscript in the hand of David Richards (1725-82), curate of Llanegwad, Carmarthenshire containing 'cywyddau', etc. by Lewys Glyn Cothi, Raff ap Robert, Lewys Daron, Lewys Menai, W[ilia]m Llyn, Ie[a]'n ap Madog, and Dafydd ap Gwilym, and anonymous poems; 'englynion' by D[afyd]d ap Edmwnt, [Richard Davies] ('Escob Dewi') and H[uw] Lewis; extracts from 'cywyddau' by Ieuan Tew Brydydd, I[euan] Deulwyn, R[h]is[iart] Philyp, Sion Tudur, H[uw] Llwyd [Cynfal], and T[homas] Prys; extracts from William Baxter: Glossarium Antiquitatum Britannicarum ... (Londini, 1719); a stanza by [John] Dryden in honour of St David's Day; lists of contents of 'Hen Lyfr Carpiop [sic] B[en] Simon'; 'Llyfr Dauliw Ben Simon', and 'Llyfr y Brut Ben Simon'; 'Englynion y Misoedd' by Aneurin Gwawdrydd; 'Llyma Ddifregwawd Taliesin'; 'Llyma Ystori Owain ap Urien Reged'; 'Llyma val y Cafad Taliessin'; 'Llyma Ystori Saith doethion Rhufain'; 'Cyngor Arystotlys i Alexander mawr i ydnabod'; lists of words from the poetry of D[afydd ap] G[wilym] quoted in John Davies: Dictionarium Duplex, etc. The name of the scribe occurs twice on one of the fly-leaves.

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 small volume, originally with clasps, containing 'cywyddau', 'englynion', etc. by Evan ab Evan (lines from Anacreon), Taliesin, Dafydd ap Edmwnt, John Philipp, Richard Philip, Dafydd ap Gwilim, Tudur Aled, John Dafies (Dafis), Owen Gwynedd, W(illiam) Llyn, Sion Brwnog (Brwynog), Dafydd Trefor, Dafydd Llwyd ap Llywelyn ap Gruffydd, Iolo Goch, Thomas Prys o Blas Iolyn Esgwier, Hugh Llwyd Cynfal, Doctor (Sion) Cent, Tudur Penllyn, Edward M[orus], Sr. Morgan, Rowland Vaughan, Hugh ap Ev. ap Ro[ ] and Wmphre David. The contents appear to have been transcribed after 1744 from a manuscript annotated by Lewis Morris, and a note on p. 100 suggests a connection with BM Additional MS 14866, although none of the poems are to be found in that volume. There are a number of quotations in the margins and elsewhere from Pope, Homer, Dryden, etc. At the beginning, in a later hand, are an 'englyn' by Siencyn Thomas Morgan and an 'englyn' which is described as being on the tombstone of the Reverend Alban Thomas of Blaen y Porth, Cardiganshire. A note in pencil on the limp boards which were originally inside the vellum cover reads 'Gwaith hen Feirdd MS from Rev. Armstrong Williams'.

An imperfect composite volume largely in the hand of David Rowland, Bala, and begun by him probably in 1757. It includes 'cywyddau' and other poems in strict metres by Owen Griffith (Gruffudd), Gwerfil Vachan ('Gwyrfyl merch Howel Vaughan o flodwal', 1590), Tudur Aled, Mr William Wynne, David ab Gwilim, Edward Maurice, Owen Gwynedd, Ned Rowland, Rowland Hughes 'or Graienun' (1758, 1776), Taliesin, Sr Roger, John David, Meredyth ap Reec, Humphrey Dafydd ab Evan, Dafudd Nanmor, Robert Lewis (1767), Robert William(s) (1768), Rice Jones 'or Blaene' (1774), etc.; poems in free metres ('carolau', 'dyriau', 'tribannau', etc.) by Maurice Richard, Robert Sion Evan (1668), Rowland Hughes, Lewis Morris ['Llywelyn Ddu o Fôn'], Hugh Hughes ['Y Bardd Coch o Fôn'], Gwilim ab Ierwerth (William Edwards 'o Lanfawr'), John Dafudd lâs ('pan oedd yn gwisgo Lifre Hugh Nanau Esqr.'), Ellis Roberts, William Pirs Dafydd, and Hugh Jones (Llangwm), together with several anonymous 'cerddi'; and prose texts comprising an extract from the parish register of 'Tre Gwayan', Anglesey, 2 March 1581[/2] ('Fe fu farw hen wr ymhlwu Tregauan yn Sir Fôn un William ab Howel ab Dafydd ab Ierwerth, ai oed yn : 105 : o flynyddoedd, ag fe fu yn briod dair gwaith ...'), traditional lore in connection with two lakes in Snowdonia ('yn yr Ryri') called 'y Dulyn' and 'ffynnon y llyffaint' (... 'allan o hên lyfre Thomas Price o Blâs Iolyn Esqr'), 'Rhinwedd y Ceiliog', 'Dyma hanes Peilatus ap Jerus' ('medd llyfr Antwn o Went'), 'Dyma Hannes yn dangos fel yr aeth Joseph i brynu lliain gan Sydonia I amdoi Corph Crist', 'Dechreu Araeth Wgan', and an anecdote testified by Richard ap John 'o Llanganhafal yn nyffryn Clwyd' concerning a five years' old boy of Llanfachreth in Merioneth who in 1615 could play the harp 'yn Gynghaneddol Gowir Dane'. There is also a list, in a later hand, of preachers and their texts at a [Methodist Association, c. 1800, and an inset of 12 pp. in the hand of 'Huw ap Huw' [i.e. Hugh Hughes, 'Y Bardd Coch o Fôn' containing elegies to Lewis Morys ['Llywelyn Ddu o Fôn'] by Gronwy Owen and the scribe. The volume is lettered 'Cerddi Cymraeg'.

A volume containing manuscript and printed poetry, etc. in strict and free metre belonging mainly to the eighteenth century. The manuscript items, which are written in various hands, include poetry by Taliesyn, John Rhydderch, Edward Samuel, Sion Tudur, John Roger, Ifan William 'or gwulan' [sic], John Cadd'r (?'Ioan ap Cadwaladr ap Ioan or Bala) (holograph), Angharad James, Morus Robert, Robert Humphreys alias Ragad, Robert Lewis, Dafydd ab Gwilym, Michl. Prichard, Dafydd Sion James and Sion Phylip. The printed items consist of broadsides, etc. as follows: 'Cywydd i ofyn gwn i'r Pendefig enwog Wm. Llwyd o Riwedog Ysgr. B..A. 1764' by Rhys Jones (Argraphwr John Rowland Bala); 'Cân Dduwiol ynghylch Cwymp Dyn yn yr Adda cyntaf, A'i Gyfodiad yn yr ail Adda' by Richard Jones; 'Bywyd Ffydd, wedi ei osod allan a'i Gyflwyno mewn Llythyr A gafwyd yn Studi y Parchedig Mr. Joseph Belcher ... ar ol ei Farwolaeth' (Aberhonddu, Argraphwyd dros y Parchedig Mr. W. Williams, gan E. Evans, 1777); 'Marw-nad Thomas Richard, a'i Ferch ef Mary Richard, Gynt o Lannerch Medd, ym Mlwyf Carno, Sir Drefaldwyn, A'i Chwaer ef Catherine, Gwraig William Thomas, a Phlentyn o Wyr iddi wyth oed, Y rhai a fuont feirw yr ugeinfed Dydd o Fis Mehefin, 1781. Gan Lifeiriant a ddaeth am ben y Ty yn ddisymmwth, lle yr oeddynt hwy, gyd ag ychydig eraill, wedi ymgynnull ynghyd i weddio ac i fo[li]annu Enw'r Arglwydd' by Hugh Jones (Mwythig, Argraphwyd gan T. Wood); 'Ordinhaad gan Ei Fawrhydi yn y Cyngor; Yn cynnwys Rheolau, Trefnadau [sic], a Dosbarthiadau, am Ragflaenu yn fwy effeithiol Danniad yr Haint sydd yr awron yn gerwino ymmysg Anifeiljaid Cyrnig y Deyrnas hon' (Argraphwyd yn Llundain, gan Domas Basged, Argraphydd i Ardderchoccaf Fawrhydi y Brenin; a thrwy Assein Robert Basged, 1745.) [8 pp.]; 'Marw-nad Mari Owen, o Drefeglwys, yn Swydd Drefaldwyn; Yr hon a argyhoeddwyd yn 14 oed, ac a barhaodd yn Bererin llewyrchiol hyd Ddydd ei Hymadawiad, Gorphenhaf, 1781, yn 28 Mlwydd o Oed, ynghyd a Gair am Chwaer iddi, a alwyd adref rai Blwyddau o'r blaen' by Thomas Robert (Mwythig: Argraphwyd gan T. Wood, lle gallir cael argraphu pob math o Lyfrau, wedi eu diwigio gan Ifan Tomas); 'Tir Angof; wedi ei osod allan trwy Gyffelybiaeth Gwely: neu, Gan Newydd am Stat y Meirw, gan John Morgan. Yr Ail Argraphiad gyd a pheth 'Chwanegiad, a Diwygiad, gan yr Awdwr' ([A]rgraphwyd yn Nghaerfyrddin, yn Heol Awst, ac ar werth yno gan J. Ross, a R. Thomas. 1762), with another later copy printed without the name of the author ('Tir Anghof, Neu grwydrad dychymmyg am y Bedd'); 'Dwy o Gerddi Newyddion', the one by Hugh Jones, Llangwm, entitled 'Cerdd newydd, neu gwynfan Tosturus dwy ddynes sydd i gael eu Transportio o gaol Ruthin ...', the other by David John James headed 'Dechreu Cerdd marwnad ...'; 'Cerdd Newydd iw Chanu yn y Lloerig Gymdeithas yr hon sydd wedi i sefydlu i'w chadw y Nrws Nant Tafarn yn Fisol beunydd, ar Ddydd Jau Nesaf o flaen y Llawn Lloer ...' by R. J. (Argraphwr John Rowland, Bala); 'Cerdd Newydd I Atteb y Gerdd a wnaed i gymdeithas Loerig Drws y nant Gan un a Ewyllysie'n dda i bob dyn ...' by Robert Williams (Argraphwyd gan John Rowland yn y Bala); a photographic copy reproduced from the original in Cardiff Free Library of 'Galarnad ar Farwolaeth Mari, Gwraig John Jones, o Landilo-fach, yn Sir Forganwg ...' by W. Williams (Aberhonddu; Argraphwyd dros yr Awdwr gan E. Evans, 1782); 'Cyngor yn erbyn Iauo yn Anghydmarus' (Caerfyrddin, argraffwyd dros T. Davies gan I. [Ro]ss); 'Dyfodiad Crist i'r Farn' (Argraphwyd yn y Mwythig gan Stafford Prys. 1759); and 'Marwnad Mr. Abraham Wood, gynt o Gollege Lady Huntington, a ymadawodd A'r Byd ym Mis Awst, 1779. A Marwnad Mrs. Margaret Wood, ei Fam, yr hon hithau a ymadawodd A'r Byd ym Mis Mai 1781' by W. Williams (Aberhonddu, Argraphwyd dros yr Awdwr, gan E. Evans. 1781).

A manuscript in three parts in the hand of David Ellis. The first part contains 'Cywyddau' and some 'awdlau' and 'englynion' by William Cynwal, Sion Tudur, Robin Ddu, Dafydd ap Gwilym, Syr Hugh Roberts, William Llyn Bencerdd, Richd. Abraham, Richard Cynwal ('o Gappel Garmon') Llowdden, Evan ap Tudur Penllyn, Howel ap Reinallt, Tudur Aled Bencerdd, Lewis Daron, Gruffydd Hiraethog, Sion Brwynog Bencerdd, Richard ap Howel ap Dafydd ap Einion, Edward ap Hugh, Thomas Gwynedd, Hugh Pennant, Lewis Menai, Simwnt Fychan Bencerdd, Ifan Tew Brydydd, Hugh Arwystl, Richard Cynwal, Rhys Cain, Lewis ap Edward, Sion Mowddwy, Richard Phylip, Gruffudd Hafren, Rowland Fychan Yswain, Sion Cain (1633), Hwmphrey Howel, Sion Dafis ('Person Garthbeibio'), Huw Hughes ('o Lwydiarth Esgob ym Mon') (c. 1770), and Dafydd Elis; 'Hanes Taliessin'; and 'Englynion yr Eryr'. At the beginning of this section is a progressive list of poems ('Cynnwysiad o'r Cywyddau ...'), an alphabetical index ('Cynnwysiad Llyth'rennol') of first lines, and an index of poets ('Enwau'r Beirdd'), all in the hand of David Ellis, and an incomplete list of poets in the hand of Owen Williams, Waunfawr. The second part of the manuscript contains 'Cywyddau' and a few 'awdlau' by Mathew Bromffild, Tudur Aled, Sion Brwynog, Lewis Mon, Sion Tudur, Rhys Goch Glyn Dyfrdwy, Morys Dwyfech otherwise Morys ab Ifan ab Einion, Gwilym ap Sefnyn, Gutto'r Glynn, Howel ap Reinallt, William Llyn, Lewis Daron, Gwilym ap Ifan Hen, Guttun Owain, Cynwrig ap Dafydd Goch, Owain ap Llywelyn Moel, Rhys Goch o'r Yri, Rhys Goch ap Ddafydd, Robin Ddu Fardd, Tudur Penllyn, Rhys Pennarth, Lewis ap Edward, Dafydd Pennant, Roger Cyffin ('Efe a fu'n Berson yn Llanberis'), Owain ap Llywelyn ap y Moel, Leweis Menai, Robert Ifans, Lewis Morganwg Bencerdd, Owain Waed Da, Griffudd Grug, Hugh Pennant, Morys Berwyn, and Watkin Clywedog. According to a note at the end by David Ellis, 7 June 1777, the greater part of this section was transcribed from a manuscript believed to be in the hand of Siôn Brwynog [Cwrtmawr MS 312]. The third part of the manuscript contains a transcript of the text of 'Y Gododdin' ('Y Gwawdodyn') in old and modern orthography; an 'awdl' in English ('O michti Ladi, our leding...') by Ieuan ap Rhydderch ap Ieuan Llwyd ('o Ogerddan') or Ieuan ap Hywel Swrdwal, transcribed in 1785 from a manuscript of John Jones (Sion ap Wiliam Sion), Gell[i] Lyfrdy [sic]; and 'cywyddau' and an 'awdl' by Sion Phylip, Huw Arwystl, Sion Keri, Sion Tudur, Ieuan Tew Ieuaf, Sion Tudur ('o Wicwar'), Iorwerth Fynglwyd, Sion Mowddwy, Lewis Glyn Cothi, Sion Dafydd Siancyn, Risart Phylip, and Huw Llwyd Cynfel. At the end of the manuscript is a progressive list of poems ('Cynnwysiad') contained in the second section, an alphabetical index ('Cynnwysiad llyth'rennol') of first lines, an index of poets ('Enwau'r Beirdd') and a progressive list of poems ('Cynnwysiad') contained in the third section, all in the hand of David Ellis, together with an incomplete list of poets contained in the second section in the hand of Owen Williams, Waunfawr ('Owain Gwyrfai'). There are numerous additions, variants, and annotations in the hands of Owen Williams, P[eter Bailey] W[illiams], [Griffith Williams] ('Gutyn Peris'), and [Professor Thomas Gwynn Jones]. The manuscript is bound uniformly with Cwrtmawr MS 10 and 12 and the spine is lettered 'Dafydd Ellis MS'.

A manuscript incorrectly bound in two volumes, both lettered 'Hen Farddoniaeth', containing 'cywyddau' and some 'awdlau' and 'englynion' by Dafydd ap Gwilim, Ifan ap Howel Swrdal, John ab Tudur Owen, Morus Richard, Owen Gruffyth ('o sir Gaerna[r]fon'), Edward John ab Euan, Rees Kain, Sion Mowddwy, Hugh Lewis, Mr Rowland Price (1691, 'yn Mangor I gwnaeth'), Sion Dauid las (1691), Hugh Moris, Rob. Gry. ab Evan, John Richard, Simwynt Vychan, William Llyn, Sion Mowddwy, Owen Gwynedd, Sion Cain, Iolo Goch, Gryffydd Grvg, John Brwynog ('a Roman Catholic'), Dafydd Nanmor, Sion Philip, John Tvder, Iefan Tew brydydd ('o gydweli'), Ellis ap Ellis, Ierwerth Vynglwyd, Sypyn Kefeiliog, Gytto or glyn, Howell ap Dauid ap Ieuuan ap Res ('prydydd a gwas or ty yn rraglan'), Lewes Mon, Syr Dafydd Trevor, Syr Owen ap Gwylym, Huw Arwystl, Dafydd Meifod, Sion Kent, Dafydd Llwyd ap Ll'nn ap Gryffydd, William Llyn, Gwilym ap Ie'nn Hen, Sion Keri, Rys Goch or Yri ('a rhai Howel Kilan'), Taliesyn, Tudyr Penllyn, Dafydd ap Gwilym, Gruffydd Llwyd D'd ap Eign', Madog Benfras, Ifan Llwyd, Gwilym ap Ifan Hen, Thomas Derllys, Hughe Penall, Res ap Hoell ap D'd, D'd Johns, Gruf. ap Ie'nn ap Ll'n Vych'n, Dauid ap Edmwnd, Syr Ifan, Richard Philip, Owen ap Llywelyn Moell, Hughe Dyfi, Dafydd ap Owen, Bedo Brwynllys, Lewis Hvdol, Res Gogh Glan Kiriog, Tuder Aled, Syr Lewis Deyddwr, Llewelyn Goch ap Meyryk Hen, Bedo Evrdrem, Ie'nn Tydyr Owen, Llywelyn ab Gvttvn, John ab Evan Tvdur Owen ('o ddygoed Mowddwy') (1648), Gryffyth Lloyd ab Dafydd ab Einion Lligliw, Gwilym ab Gefnyn [sic], William Kynwal, Ifann Brydydd hir, Doctor Sion Kent, Mr Edmont Prees ('Archiagon Merionith'), Edward ab Rhese, Edward Vrien, Hughe Moris (1692), Robert Dyfi, John Vaughan ('o Gaergae'), Thomas Lloyd ('o Benmaen), Rees Cadwaladr ('offeiriad'), Thomas Llwyd ('ifiengaf'), Rowland Price (1686), John Edward ('glochydd'), Richard Edwards ('y Brydudd o ddimbech'), Sion Dafydd, Thomas Prys, Howel David Lloyd ap y gof, Ellis Rowland, Lewis ab Edward, Lewis Owen, and anonymous poems; poems in free metres by Sir Rees Cadwaladr and Edward Rolant (1674); a list of patrons, poets, and musicians at Caerwys Eisteddfod, 1567; 'The nativitie [1599/1600-1601] of the Childrine of Hughe Gwyne ap John ap Hughe and Katherin, his wyf'; triads; brief notes on the manner of death of specified wives of Roman leaders; etc. One section of the manuscript belongs to the first half of the seventeenth century, and is suggested by William Maurice (d. 1680), Cefn-y-braich, Llansilin, to be in the hand of Ieuan Tudur Owen, 'o Ddugoed, Mowddwy'. The remainder is in several hands of the late seventeenth or early eighteenth century. There are copious annotations by William Maurice and some additions and annotations by Cadwaladr Dafydd, Llanymowddwy (1747) and L[ewis] Morris ('Llewelyn Ddu o Fôn', 1701-65).

An imperfect volume written by Perys Mostyn otherwise Perys ap Rychart ap Howell 'o degaingl (degygl)', 1543, with one lacuna (7 pp.) completed by John Lloyd of Caerwys, c. 1779, from a manuscript of Ed[ward] Llwyd [sic] in the Sebright library. It contains 'englynion y misoedd' by Neryn Gwodrudd [Aneirin Gwawdrudd]; 'llyma y devddec arwydd y sydd yn mestroli y xij miss y vlwyddyn ...' by D'd Nanmor; 'llyma englynion yn dangos pedwar man y byd affeth yw naturiayth pob vn o honynt ...' by Rys Brychan; 'Gossodiad ynys brydain', 'Racgorav yrnys bellach', 'Rhyfedhodau yr ynys hon', 'Rhannau yr Ynys', 'Llawer o ryfedhodau sydh Ynghymru ...', 'O racynyssedd yr ynys', 'O briffyrdd brenhinol yr ynys', 'Y Prif avonydd penaf', 'O brif ddinessydd yr ynys ...', 'Gwledydd a Siroydd yr ynys...', 'Kyfreithiav yr ynys ...', 'Or kenedlaythav a wladychassant yn ynys brydain ...', 'Or Saith brehinniayth ai tervynav ai dechread a pha hyd i parhassant ...', 'O eisteddvay pennaf archescyb ...', 'Or kenedlavthav a wladychant yr ynys honn a pha amser y doyth pob vn ir ynys ...', and 'Or iethoydd a natvriaythev y kenedloydd a wladychassant yr ynys hon ...'; 'divegwawd taliessin'; '... y llythyr a elwir kyfrinach y kyfrinachoedd a gavas arestotteles yn hemyl yr haul ...'; 'Llyma y modd y Ranwyd ac i Rivwyt kantrefoedd a chymydav holl gymerv yn amser Llywelyn ap gruf' y twyssoc diwaythaf or kymerv'; and a Red Book of Hergest version of 'Ystorya de Carolo Magno' (incomplete).

A small paper manuscript of the second half of the sixteenth century containing a calendar of Welsh saints ('llyma hennwav saint bryttaniaid'); a list of rivers largely in Cardiganshire ('llyma henway prif afonydd ag oble imaent yn tarddv allan oi dechreyad'); and 'Barnad owen ap vrien owaith argoed llwyfain' and 'Barnod [sic] vthvr pendragwn Cad arthvr owaith taliessin ben beirdd'. There are some additions by Peter Bailey Williams. The end papers consist of portions of pages of an early printed book.

A composite volume compiled by Owen Williams, Fronheulog, Waunfawr in 1857. It comprises: I. 'Y Gronfa' (pp. 1-200), largely in the hand of David Thomas ('Dafydd Ddu Eryri'), containing an introduction ('Y Rhagymadrodd') signed 4 October 1790; an English translation by D[avid] T[homas] of two lines of poetry by Gwalchmai; 'Cyfieithiad o Awdl Sibli (Sibyl's Ode, translated by the Revd. Gor[onwy] Owen)' ('See the above, versified in D. Thomas's poetical collection'); etymons of Mr Jones of Llanegryn, Mr L. Morris, and D. Tho[ma]s; extracts from letters from the Revd. Gor[onwy] Owen to Mr Richard Morris of the Navy Office, London, 1753-67; Welsh poetry by Bleddyn, Gwgon, Taliesin, Cynddelw [Brydydd Mawr], 'Guttun Gwrecsam' ('sef John Edwards neu Sion Ceiriog now dead'), Rhisiart Jones 'o Fôn, Syr Thomas Jones ('Iechyd i Galon yr hen offeiriad O na bai Gant o'i fath ynghymru y dydd heddyw'), Hywel ap Reinallt, Llywelyn Goch ap Meurig Hen (with a translation by Evan Evans ['Ieuan Fardd']), Hywel ap Dafydd ap Ieuan ap Rhys, Thomas Celli, Tudur Aled, D[avid] Thomas, Owen Williams (Waunfawr) (c.1820), Rhys Jones 'o'r Blaenau', and Goronwy Owen; English poetry by Alexander Pope, John Dyer, and Thomas Gray; anecdotes and biographical notes relating to Gruffydd Hiraethog, William Phylip, Sion Tudur, William Lleyn, etc.; 'Athrawiaeth y Gorphwysiadau', being rules of punctuation, copied in 1809 ('not intended for public inspection'); observations in verse on 'Barddoniaeth Gymreig', for publication in the North Wales Gazette, 1818; a holograph letter from D. Thomas to Robt. Williams, land surveyor, Bangor, 1820 (plagiarism of one of the writer's poems, comments on the poetry of 'Gutyn P[eris]', results of the Wrexham eisteddfod); 'Sibli's Prophecy. A Fragment from the Welsh', translated by D. Thomas; 'A Discourse between St Kybi and other saints on their passage to the Isle of Bardsey ...'; epithalamia to Dafydd Thomas and Elin, his wife, by [John Roberts] 'Siôn Lleyn', [Griffith Williams] 'Gutyn Peris', [William Williams] 'Gwilym Peris', and Dafydd Owain ('Bardd Gwyn o Eifion', i.e. 'Dewi Wyn o Eifion'), 1803-4; reviews by 'Adolygwr' of 'awdlau' by Walter Davies ['Gwallter Mechain'] and Edward Hughes ['Y Dryw'] on 'Amaethyddiaeth' submitted for competition at Tre Fadog eisteddfod, 1811; and critical observations on Welsh poetry entitled 'Ystyriaethau ar Brydyddiaeth Gymraeg ai pherthynasau yn gynnwysedig mewn rhai nodiadau ar waith Mr. T[homas] Jones ['Y Bardd Cloff'] yn y Greal', by 'Peblig', Glan Gwyrfai [i.e. 'Dafydd Ddu Eryri'] (published in Golud yr Oes, 1863, pp. 118-23), together with copies of two letters, 1806, to the author from 'Padarn' [i.e. 'Gutyn Peris'] and John Roberts ['Sion Lleyn'] containing their observations on the views set forth in the treatise. Pp. 61-8 are in the autograph of Owen Williams, Waunfawr. The compiler has included a few cover papers from manuscripts of 'Dafydd Ddu Eryri' bearing such inscriptions as 'This Morrisian MS (with some others) I found at a Farmhouse called Braint near Penmynydd, Anglesey, Sept. 9th 1793. D. Thomas' (p. 123) and 'This MSS (with several others) has been bequethed to me, by the Rev. David Ellis, late Rector of Cruccaith in Caernarvonshire. D. Thomas' (p. 189). Ii. The works of Griffith Williams ('Gutyn Peris'), Braich Talog, Llandegai, - 'Sef Casgliad, O Ganiadau, Carolau, a Cherddi, Ac awdlau, a Chowyddau, Ac Englynion ...', transcribed by Owen Williams, Ty ycha'r ffordd, Waun fawr, Llanbeblig, 1811, together with a few 'englynion' by Goronwy Owen (pp. 201-48). Iii. 'Bywyd a Marwolaeth Godidog Fardd, Dafydd Thomas; neu Dafydd Ddu, o Eryri', being a biography collected and transcribed by Owen Williams, Waunfawr; 'Casgliad Barddonawl O Waith Dafydd Ddu o Eryri, Y rhai a gyfansoddodd Yn ol ei argraffiad o Gorph y Gaingc' (imperfect) (1 page), 'Englynion ar Fedd Dafydd Thomas' by Dafydd Owen ('Dewi Wynn o Eifion'), Robert Williams ('Robert ap Gwilym Ddu' 'o'r Bettws Bach Eifion'), Griffith Williams ('Guttun Peris'), Richard Jones (Erw), Wm. Edward ('Gwilym Padarn'), and [Owen Williams]; 'englynion' by 'Dafydd Ddu Eryri', 1796-1815 and undated; and extracts from three letters from 'Dafydd Ddu Eryri' to P[eter] B[ailey] W[illiams], 1806-20 (the death of the recipient's parishioners in Llanberis and Llanrug, the death of the recipient's brother the Reverend Eliezer Williams, the displeasure of 'O[wain] Myfyr') (pp. 251-84). Iv. A transcript of Cofrestr o'r holl Lyfrau Printiedig ... (Llundain, 1717) (pp. 287-452). Inset are three leaves containing transcripts of a letter from Edmund Francis to [ ] (the writer's health, the recipient's preaching engagement) (incomplete) and of a letter from D. Thomas ['Dafydd Ddu Eryri'] to [John Roberts, 'Siôn Lleyn'], 1810 (the sale of the writer's [Corph y Gaingc]). Written on the inside lower cover is a long note by O[wen] Williams, Fronheulog, Waunfawr, 1857, of which the following is an extract, - 'Myfi a gesglais gynhwysedd y llyfr hwn o'r hen ysgrifiau a ddaeth i'm dwylaw oeddynt eiddo Dafydd Ddu Eryri ac a delais am eu rhwymo yn nghyd megys y gwelir yma er's llawer o flynyddoedd yn ol ...'.

A copy of Rhys Jones (ed.): Gorchestion Beirdd Cymru ... (Amwythig, 1773), with copious late eighteenth century manuscript additions entered partly in the margin and partly (largely) on bound-in leaves at the beginning and the end. The majority of the additions are in the hand of Jacob Jones, recipient of the volume (see note, below). These consist mainly of prose texts of 'a Letter written by our Blessed Lord and Saviour Jesus Christ and found 18 miles from Iconium 65 years after Our Saviour's Crucifixion ...', 'King Agbarus's Letter' and 'Our Saviour's Answer', and 'Sentulius's Epistle to the Senate of Rome'; culinary and medical recipes ('Receipts of Sundries'); and 'cywyddau', 'englynion', 'cerddi', metrical psalms, etc. by William Edward, W. Evans, Mr Goronwy Owen, Jacob Jones, Dafydd Davies ('Llongwr', 'ai Dwedod yn Aberdyfi Meirion 1773'), 'Tad gwehydd Sychnant sir feirion', [David Jones] ('Dewi Fardd'), Hu Jones (Llangwm), J. Jenkins, Taliesin, Ann Fochan [sic], ?Hugh Jones (Glan Conwy), Mathew Owen ('o Langar'), [Thomas Edwards] ('Twm o'r Nant'), Mr Risiart Rhys ('Or Gwerllwyn, Ym Merthyr Tydfil, yn Swydd Trefaldwyn'), Jno. Roberts ('Almanaccwr Caer Gybimon'), Huw ap Huw, Dafydd Jones ('or Penrhyn deudraeth'), Mr Jones ('Ficcar Llanbryn Mair'), Elis Rowland, Ellis Roberts ('y Cowper'), Ioan ab William, T. ab G., Hugh ab Sion, Edmund Prys, Robert Jones, John Peters, Wm. Griffiths, Thos. Jones, Huw Rob[erts], Edward Jones, Ierwerth Fynglwyd, Howel Daf[ydd] ap Ieuan ap Rhys, Tudur Aled, William Llun, John Phillip, Lewis Morys ('Llywelyn ddu'), Llywarch hen, Dafydd Nanmor, Bleddyn Fardd, Gruffydd ap yr Ynad Coch, 'one of the Parry's of Newmarket', Dafydd Brydydd Hir ('o Lanfair' dôl Haearn'), William Williams, Aneuryn Gwawdrydd, [David Thomas ('Dafydd Ddu Eryri')] and Jonathn Hughes, and from printed sources.

A volume of poetry in strict and free metres and some prose texts in the hand of Cadwaladr David, Llanymawddwy, with some additions (ff. 132b-135b) and marginal emendations by William Wynn (1709-60), Llangynhafal. The volume contains 'awdlau', 'cywyddau', and 'englynion' by Howel ap Gutto, Sion Tudur, Rus Cain, William Llyn, Dafydd Llwyd ap Llywelyn ap Gryffydd, Rees Lewis ('o fallwyd'), Ellis Cadwalader, Cad[waladr] David, Thomas Prys ('o Blas Iolyn'), Gruffudd Phylip, Hugh Morys, Hwm[ffre] D'd ap Evan, Huw Llwyd Cynddel [sic], John Vaughan ('o Gaer gai'), William Phylip, Owen Gwynedd, [Lewys Glyn Cothi], Hugh Evan, Hugh Morus, Thomas Llwud, John Roger, [Simwnt Fychan], Morrus Dwufech, Dafydd ap Gwilim, Rhus Morgan ('o ben Craig nedd yn Llangattwg y morganwg'), Sion Rowland, John David Lâs, John Philip, William Cynwal, Sion Mowddwy, Tydur Aled, John Cent, Morgan Gwynn ('talerus'), Rowland Fychan, Gruffudd Hafren, [Rhosier] Cyffin, Hugh Gruffud[d], Robin Cildro [sic], Evan Brydydd hir, Gutto or Glunn, Hugh Arwysdl, Gryffydd Grug, [Ieuan ap Hywel Swrdwal], Evan Evans ['Ieuan Brydydd Hir'], W[illiam] W[ynn], Edmwnt Prys, Lewis Morgannwg, Robert Hwmffre alias Robin Ragat, Evan Jones ('gynt person Newbwrch'), Sr Rhys Cad[walad]r, David Cadwaladr (Llanymow[ddwy]), Twm Tegyd, Richart Cynwal, Richard Phylipp, Ieuan Tew Brydydd and anonymous 'cywyddau' and 'englynion'; 'penillion', 'carolau', 'ymddiddanion' and 'cerddi', etc. by Hugh Morus, Mr Edward Wun ('person Gwddelwern'), John Parry, Cadwaladr ap Robert, John Prichard Price, Cadwaladr David, Mr Rogar Ed[war]ds (translations), Mr. William Wunne, William Phylip, Edward Morus, Mr Peter Lewis ('Eglwyswr ieuanc o'r Deyrnion'), Dic Abram, Edward Samwel and Robert Ieuan, and anonymous poems in free metres; 'Y Compod Manuwel, o waith Dafudd Nanmor' (incomplete); 'Dechre areth Wgan'; 'Dymma ymddiddanion a fu rhwng adrain ymerodor Rhufain, ag Epig ddoeth'; 'Dyhuddiad Elffyn' by Taliesyn; nine grades of kinship ['naw gradd carennydd']; 'Llyma Bregeth Ddewi'; 'Hanes Proffwyd dieithr a rhyfeddol, fy'n ddiweddar ymrydain Fawr'; and extracts from 'Llyfyr barddoniaeth o waith y Capten William Midleton'. It is lettered 'Llyfr Cadwaladr Dafydd 1730' but contains poems of a slightly later date.

A volume containing 'cywyddau' and some 'awdlau' by William Lleyn, Thos. Prys, Lewis Glynn Cothi, Edmwnd Prys, Sion Tudur, Dafydd Llwyd ap Llew. ap Gruffudd, Taliesin, Owain Gwynedd, Tudur Aled, Robert Klidro, Sion Philyp, Sion Dafydd ap Guttun, Wiliam Kynwal, Simwnt Fychan, Edward (ap) Ralph, Ieuan Tew, Robert Dafydd Lloyd, Doctor Sion Kent, Rissiart Phylyps, Ffowke Prys, Llowdden, Hitts Grydd, Robert ap Dafydd, Owain ap Rhys ap Sion ap Howel Koetmor, Guttyn Tomas, Gruffydd ap Gronwy Gethin ('o Lanfair dal hayarn, a oedd ai drigiant ai enedigaeth ynhalwrn y kethin ymhikyll y maelor Gymraeg'), Owain Llwyd, Gutto'r Glynn, Meredydd ap Rys, Gwerfil Mechain, Dafydd ap Edmwnt, Tudur Penllyn, Sion ap Howel ap Ll. Vychan, Syr Dafydd Trefor, Gruffydd ap Tudyr ap Howel, Sr. Elis, Sr. Robert Llwyd ('Persson Gwtherin'), Huw Arwystl, Robin Ddu, Rhys Goch o ryri, Sion ap Howel Tudur and Lle. ap Ohwain [sic], and anonymous poems. There are also 'englynion' by Sion Philip, G[ruffudd] Leiaf, G[ruffudd] Hiraethog, D. Sion, W[illiam] Philip, G[ruffudd] Philip, R[ichard] Philip, J[ohn] Philip, H[uw] ap Evan, [John Davies] ('Sion Davydd Las'), Lewis Owain, Morgan Dafydd, M[athew] O[wen], Edwart Morris, Huw Morris, Wm. Elias, Owain Gruffudd, Gr[uffudd] Nanney (1654) [Robert] Klidro, H. H., R[hys] Cain and Mr. Hugh Llafar, and anonymous 'englynion'; 'Kyffes Taliesyn'; and 'ymddiddanion' and 'carolau', etc. by Sion Tudur, J. P. and Wm. Philip, and anonymous poems. The manuscript is undoubtedly 'Ysgriflyfr Carndochan', which Owen Jones ('Manoethwy') cites as the original from which he made transcripts in Cwrtmawr MSS 400 and 515. An incomplete list of contents appears in Cwrtmawr MS 317, p. 265 in the hand of Canon Robert Williams, Rhydycroesau, and a note on the fly-leaf of the present manuscript explains that Robert Williams obtained the volume from the library of Daniel Silvan Evans. The spine is lettered 'Llyfr Cywyddau'.

A composite volume of poetry in strict and free metre by various poets including Mabclaf ab Llywarch, Aneirin Gwawdrwydd [sic], Evan Evans ('Ieuan Brydydd Hir'), [Robert Williams] 'Robert ab Gwilym Ddu', [David Owen] 'Dewi Wyn', [Griffith Williams] 'Gyttun Peris', [Richard Jones] 'Gwyndaf Eryri', [William Edwards] 'Gwilym Padarn', [Owen Williams] 'Owain Gwyrfai', [Evan Prichard] 'Ieuan Lleyn', [David Thomas] 'D[afydd] Ddu o Eryri', John Davies and Michael Prichard. The contents also include a list headed 'The Names of some of the most Ancient Bards and Historians and the Time wherein [sic] they Flourished'. The lettering on the spine reads 'Llyfr Ieuan Lleyn, 1799' and the volume, except for the last five folios, appears to have been written between 1799 and 1822. The last four folios are partly in the hand of D. Silvan Evans and the folio immediately preceding them is probably earlier in date than 1799 and may belong to Cwrtmawr MS 513B, Part II.

A manuscript in the autograph of Roger Morris, Coed-y-talwrn containing anecdotes, extracts from the Black Book of Carmarthen ('Amravael bethau a gopiuyd or lyfyr du o gaer Vyrdin'), 'Credo Taliessin o lyvyr aral', proverbial sayings ('Ni uyr ni uyl, ni uyl ni dysc'), lines attributed to Tal Iessin ('Na fid escud dy lau ar lu anudon'), 'Kas bethau guyr Rhufain', one or two triads, two Welsh religious plays (not one as suggested in R.W.M), viz. ['Y Dioddefaint'], pp. 41-73, and 'Traul y 3 brenin i anrhegu Crist' [or 'Y Tri Brenin o Gwlen'], pp .73-80 (see Gwenan Jones, A Study of three Welsh religious plays (Bala, 1939) p. 12 et passim), some pedigrees ('Rhai or Guehelaethau'), 'Araeth Wgon', instructions concerning table manners ('Am voes ac arver yu hynn o ymdidan'), 'Henue 15 luyth Guyned o lyfr Humphre ap hoel o Ruthyn',etc., a Life of Saint Martin in Welsh [cf. Mostyn MS 88], an anecdote concerning Madog ab Owain Gwynedd, 'Henuae Pympthegluyth Guyned ai gulad ai harvau' and a list of Welsh poets.

An imperfect manuscript lettered 'Llyfr Tesni' containing astrological and other texts and tables, such as 'llyma y XII Arwydd', 'helynt yr wybyr' ('devddeg gwynt y sydd'), 'Arwyddion' based on the incidence of thunder within each month, 'llyma Rifedi yr hyn sydd, o orie ymhob mis or flwyddyn', 'llyma glandyr a elwir treiad ymryson', a table for the years 1690-1794 indicating the golden number ('prif') and dominical letter ('llythyren y Svl'), 'devddec mis sydd yn y flwyddyn', 'englynion ir prifiav ysydd yn y misoedd hyny', a table of the cycle of the sun and the moon, 'Brevddwidion y lloer yn ol llyfr y gwybodeth', 'Era Pater', 'Englynion y Misoedd' by Aneirin gwawdydd ('yn llys Maelgwyn gwynedd Brenin Brytaniaid'), 'Englynion yr Eira Mynydd' by Mabgloch ab Llowarch hen, 'Cowydd ir ffenix' by Sion Phylip, 'devddeg gair gwir', 'Cowydd ir devddeg gair gwir, by Thomas ap Evan (1629), and 'llyma henwav y brenhinoedd a farnwyd yn ore or brytaniaid ... 24 sydd o honynt. The volume was written by Richard 'ysgripiwr' (the scribe) during the period January ? 1691/2 - April 1692; in addition, some recipes (for ink, how to write with gold) in an 18th century hand.

A volume (78 pp.) written in several hands, in part at least between 1755 and 1763, containing medical recipes headed 'Cynghorion', 'englynion' by William Phylip, Gr. ap Ievan 'o lannerch llyweni', 'Robin ddu o hir Addig', Einion ap Gwalchmai, extracts from 'Talysau [sic] yr hen Oesodd' [sic]', 'englynion' between 'Colwyn' and 'Craff' ('gwaith brus mawr. Evanvs Thomasvs'), 'geiriau gwir Taliessin', and a numbered series of medical recipes headed 'Cynghorion amriw ddolurie'. There are also memoranda giving the date of birth of some of the children of Thomas Lewis and Margratte [sic] Evanes, etc., and some accounts [?Penllyn district, Merioneth].

A manuscript in the hand of Lewis Morris ('Llewelyn Ddu o Fôn; 1701-65) based on a volume entitled 'Mysteria Kabalae Bardicae' and on other sources quoted by the scribe. It contains poetry by Taliesyn, Merddin, Rhys fardd, Gronw ddu o Fon, Ll'n ap Owain, Y Bardd Cwsg, Y Ffreier Bacwn, Robin Ddu, Davydd ap Gwilim, Llowarch Offeiriad, Iolo Goch, Sr Roger y ffeiriad, Huw ap Rhisiart ap Dld, Bleddyn Fardd, Gronwy Gyrriog, Gruffyth Gryg, Alis verch Gryffyth ap Ieuan, Iefan ap Rhydderch ap Ievan Llwyd, D'd Nanmor, Gvttor Glyn, Tvdvr Aled, Sion Brwynog, Gyttvn Owain, Tvdvr Penllyn, Gruffydd Llwyd ap Davydd ap Einion, Simwnt Vychan, Sion Keri, Ieuan ap Tudur Penllyn, Llewelyn ap Guttyn, Lewis Mon, Sion ap Howel ap Ll'n Vychan, Gruff. ap Ieuan ap Ll'n V'n, Rhys Meigen, Deio ap Ieuan Du, Lewis ab Edwart, Gronw ap Ednyfed, Sion Tudr, Bedo Eurddrem, Huw Arwystl, Ll'n Brydydd Hodnant, Robt. Puw, Edward Morris (Perthi Llwydion), Huw Morys, Lewis Morris, Rhys Cain, and anonymous poetry; 'Llyma freuddwyd Grono ddu o fôn'; 'Prophwydoliaeth Ddewi'; 'Prophwydoliaeth yr Eryr o Gaer Septon'; 'Prophwydoliaeth y Doctor Banystr'; 'Prophwydoliaethau Robin ddu'; a list of, and extracts from poems, by Dafydd Lloyd ap Llewelyn ap Gryffydd; 'Araith Iolo Goch'; notes from a manuscript in the hand of Thomas Prys of Plas Iolyn; 'The British Triades' translated from a copy in the hand of Mr [Robert] Vaughan of Hengwrt; 'Achau'r Cwrw a'i Fonedd a'i Hanes'; 'Some Remarks upon the Commodities of Anglesey, & Quaere wh. ye Laziness of the Inhabitants be not a great Cause of their Poverty & Want of Trade'; 'Achau Elsbeth Brenhines Lloegr'; etc. The volume was begun in 1726, and there are some additions to the year 1759. There are a few entries by Peter Bailey Williams (1821), and also by St Geo[rge] Armstrong Williams, who has included a short biography of Lewis Morris.

Transcripts by Robert Williams from the Juvencus Glosses; a Latin-Welsh vocabulary, etc.; a manuscript of Williams's Lexicon Cornu-Britannicum, [?1865]; and Welsh proverbs with English translations and notes, 1836.