'Llyfr Cowyddeu i Mr. William Wynn o Langoed yn sir fon'. 'Y Llyfr hwnn a scrifennodd William Davies Curat or plwy yn y flwyddyn o oedran yr Arglwydd: 1642'. It contains 'cywyddau', 'awdlau', and 'englynion' by Sion Cent, Iolo Goch, Syr Owain ap Gwilym, Syr Dafydd Trefor, Sion Phylip, Dafydd ap Gwilym, Ieuan ap Gruffudd Leiaf, Dafydd Nanmor, Llywelyn ap Hywel ab Ieuan ap Gronw, Edmwnd Prys, Huw Cowrnwy, Dafydd ap Dafydd Llwyd, Maredudd ap Rhys, Gruffudd Llwyd ap Dafydd ab Einion, Sianckyn ab Eingan, Llywelyn ab yr Ynad Coch, Sion Tudur, Morys ap Hywel ap Tudur, Sion ap Hywel ap Llywelyn Fychan, Huw Roberts, Morgan ap Huw Lewis, Sion Brwynog, Morys Llwyd, Hyw Arwystli, Lewis Morganwg, Dafydd Llwyd ap Llywelyn ap Gruffudd, Lewis Daron, Rhys Nanmor, Hywel ap Dafydd ab Ieuan ap Rhys, William Egwad, Hywel Swrdwal, Tudur Aled, Lewis Glyn Cothi, Lewis Môn, Rhys Goch Glyndyfrdwy, Guto'r Glyn, Gruffudd ab Ieuan ap Llywelyli Fychan, Wiliam Myddelton, Bedo Brwynllys, Wiliam Llyn, Lewis Menai, Simwnt Fychan, Llywelyn ap Gwilym ap Rhys, Richard Cynwal, Rhys Cain, Gruffudd ap Tudur ap Hywel, Sion Ceri, Robert ap Dafydd Llwyd, Syr Roland Williams, Gruffudd Hiraethog, Wiliam Cynwal, Morys Dwyfech, Rhys Goch Eryri, Roger Cyffin, Gwilym ap Sefnyn, Ieuan Dew Brydydd, Thomas Prys, Gruffudd Llwyd, Dick Hughes, and the transcriber.

Transcripts, mainly by Richard Lloyd, minister of the Welsh Calvinistic Methodists at 'Beamaris' about 1818, of cywyddau, englynion, odes, and carols by John Roberts (Sion Lleyn) and Rhisiart William Dafydd, and transcripts of letters to Richard Lloyd relating to Welsh Calvinistic Methodist affairs in Anglesey, 1828-1834.

'Cywydd Marwnad y parchedig Mr. Evan Llwyd or Fron'; 'cerddi' and 'englynion' by Ellis ap Ellis, Arthur Jones, Thomas Edwards ('Twm o'r Nant'), Huw Morus, John Prichard Prys, and John Davies ('Sion Dafydd Las'); poems submitted for competition at a Llanrhaiadr ym Mochnant eisteddfod; triads; a list of subscriptions 'to alleviate the present distressed Situation of the Widow and Five Children of the late John Humphreys Parry ...'; and notes and memoranda by Walter Davies and D. Silvan Evans.

'Cywyddau' by William Sion Evan, Gruffudd ab Ieuan ap Llywelyn Fychan, Evan Tudyr Owen, Dafydd ap Gwilym, Wiliam Llyn, Morys Dwyfech, Huw Lewis, Gruffudd Gryg, Sion Ceri, Ieuan Brydydd Hir, Thomas Prys, Sion Roger, Ieuan Dew Brydydd, Sion ap Wiliam Gruffudd, Guto'r Glyn, Gwerful Mechain, Richard Phylip, Edmwnd Prys, Sion Cent, Edwart ap Raff, William Prichard, Gruffudd ap Dafydd ap Hywel, Sion Tudur, Sion Phylip, Dafydd ab Edmwnd, Edward Morus, Syr Owain ap Gwilym, Edwart ap Rhys, Margaret Davies, Syr Roland Wiliam, Sion Brwynog, Dafydd Nanmor, Dafydd ab Ieuan ab Owain, Dafydd Manuel, Ellis Ellis ('gweinidog Llanrhos a Llandudno'), Rhys Morgan, Dafydd Brydydd Hir ('o Lanfair'), Wiliam Cynwal, Dafydd Epynt, Gruffudd Hiraethog, Rhys Jones, Tudur Penllyn, and William Evans.

'Cywyddau' and 'englynion' by Ellis Rowland, Syr Dafydd Trefor, Thomas Prys, John Davies, Siôn Tudur, Edward Morus, Rowland Price, Wiliam Phylip, Gruffudd Prys, Owen Gruffydd, Dafydd ap Gwilym, Cadwaladr Cesel, John Roger, Huw Morus, Dafydd Manuel, Richard Abram, Mathew Owen, Edward Williams, William Wynn, Margaret Davies, Rhys Jones, Hugh Hughes, and E[dward] Wynne, [Gwyddelwern].

'Carolau', 'cerddi', 'cywyddau', and a few 'englynion', most of them transcribed by John Beans. Among the poets represented are Huw Morus, Edward Morus, Ellis Cadwaladr, Edward Samuel, Robert Hwmffres, Dafydd Morus, Gruffudd Edward, Mathew Owen, Robert Sion Owen, Ellis Rowland, Edward Rowland, William Roberts, Jonathan Hughes, William Thomas, Richard Abraham, Cadwaladr Roberts, Ned Lloyd ('o'r Bala'), Thomas William, Evan Thomas, Ellis Roberts, Arthur Jones ('o Langadwaladr'), John Jones, John Parry, Dafydd Puw Rowland, John Hughes, Ellis Roberts ('Elis y Cowper'), Morus Roberts, John Evans, Ellis ab Ellis, Thomas Jones, Derwas Griffiths, Rowland Hughes, Sion Hwmffre, Hugh Jones (Llangwm), John Cadwaladr ('o'r Bala gunt and ynawr athraw ysgol yn Llangwm'), - Lewis ('curad Cerrig y Drudion'), Lewis Morris ('Llewelyn Ddu o Fôn), Sion Tudur, Wiliam Phylip, John Davies ('Sion Dafydd Las'), Maredudd ap Rhys, etc.

A fragment of a volume described as 'Llyfr Kowyddav y Masdr [Hwmffre] Huws or deirnion siryf veirionydd ...', containing autograph 'cywyddau', some of them eulogising him, by Thomas Penllyn, Rhisiart Phylip, Tuder Owen, Sion Cain, and Huw Machno (some of them being dated 1619), together with other 'cywyddau' by Sion Cent, etc.

A miscellany containing a metrical dissertation on Psalm 8, verses 3 and 4, followed by a poem dealing with the seven planets; 'Darlleniad diwiol'; 'Carol i Fair', beginning 'Yngwledydd Judea yr oedd Zackaria'; a part of a carol by Mathe[w] Owen; a 'cywydd', a 'dyri', and a carol by Huw Morus; a 'dyri' by Edwart Rolant ('o'r bala'); 'Erapater dros byth a gaed o lyfr Thomas Jones ... 1701'; farm notes for 1702; etc. -- Much of the volume is in the hand of Richard Roberts, whose name, with the date 'Mai 21, 1699', appears on one folio. At the end of the manuscript is the note: - 'Llyfr y coch o Hergist yn y glasgoed y mae ef'.

'Llyfr Ystrad Alun', containing (a) items in prose, (b) a very large number of 'cywyddau', 'awdlau', 'englynion', and 'carolau' or 'cerddi', and (c) some poems in English. --
(a) The prose items are 'Araith Wgan', 'Addysg rhifyddiaeth, yr hon ddengys rhifedi or ddaiar hyd y lleuad, or lleuad hyd yr haul, or haul hyd y Nefoedd, or nefoedd hyd vffern a lled a thewdwr y ddaear i bob ffordd', 'Dyna fal i mae y saith blaened yn Raenio yn gyntaf Satarnus, Jupiter, Mars, Sol, Venus, Mercurius a Luna...', and 'Breuddwyd Gronwy ddu'. -- (b) Among the poets represented are Sion Phylip, Raff ap Robert, Morgan ap Hughe Lewis, Edmwnd Prys, Wiliam Cynwal, Wiliam Phylip, Thomas Llywelyn, Dafydd Llwyd, Sion Cent, Sion Tudur, Hwmffre Dafydd ab Ieuan, Gruffudd Gryg, Thomas Prys, Dafydd Vaughan (alias Dafydd ab Ieuan), Huw Llwyd Cynfal, Huw Morus, Sion Ifan Clywedog, Maredudd ap Rhys, Hywel Swrdwal, Sion Brwynog, Dafydd Nanmor, Iolo Goch, Owain Gwynedd, Ieuan Brydydd Hir, Gruffudd ab Ieuan ap Llewelyn Fychan, Huw Arwystli, Gruffudd ab yr Ynad Coch, Ieuan ap Rhydderch ab Ieuan Llwyd, Robin Clidro, Harri Hywel, Taliesin, Dafydd ab Edmwnd, Guto'r Glyn, Rhys Goch Eryri, Gruffudd ap Dafydd Fychan, Tudur Aled, Bedo Brwynllys, Wiliam Llyn, Rhys Cain, Gutun Owain, Dafydd Gorlech, Dafydd Llwyd ap Llywelyn ap Gruffudd, Llywelyn ab Owain, Robin Ddu, Hywel Rheinallt, Ieuan Dyfi, Dafydd ap Gwilym, Gwerful vch Hywel Fychan, Rhys ap Harri, Mathew Owain, Dafydd Humphreys, J. Jones, Gruffydd James, Syr Hughe Heiward, Hopcyn Thomas ('O Llanelli'), Thomas Rowland, Wil Watkin Ju., Han Edward Morus, Wiliam Siencyn, Ifan ap Sion, Lewis Dwnn, Robin Dyfi, Ifan ap Cadwaladr, Sion Morgan, Lewis Gwynne, Tomos ab Han Sion, Sion Scrifen, Wiliam Dafydd, Rees Prees, Owen Edward, Oliver Rogers, Dafydd Manuel, Richard Abram, Rowland Vaughan, James Dwnn, Robert Lloyd, etc. -- (c) The English items include 'A Christmas Carol' by D. H., 'Agony of or Saviors birth' by J. Jones, 'A Confession of a sinner', 'The prayer of a sinner at the hour of death', 'An effectuall prayer for grace, mercy and forgiveness of sins', 'The dying teares of a penitent sinner', 'Queene Elizabeths delight', 'The Horny booke' by John Scriven, 'A lover departure' by D. ff. Two poems by Dafydd Vaughan, 'Gwir gariad' and ['Camgymeriad'], have stanzas in English and Welsh alternately, the Welsh following the English. -- As so many of the poems in the manuscript are by Dafydd Vaughan he may possibly have been the scribe. The volume has annotations by Walter Davies ('Gwallter Mechain') who has designated it 'Llyfr Ystrad Alun' and who transcribed some poems from it - see NLW MS 1658.

Copi ffotostat, 1958, o lawysgrif yng nghasgliad teulu Cotton, Combermere (ZCR 74/190), yn archifdy swydd Caer, yn cynnwys cywyddau a ysgrifennwyd mewn sawl llaw ar ddiwedd yr unfed ganrif-ar-bymtheg. = A photostat facsimile, 1958, of a manuscript held among the Cotton family of Combermere manuscripts (ZCR 74/190) at the Cheshire County Record Office, containing cywyddau written in several hands at the end of the sixteenth century.
Cyfansoddwyd y cywyddau, [1320x?1580], gan Siôn Phylip (f. 1), Simwnt Fychan (f. 21), Wiliam Cynwal (ff. 6, 28), Rhys Cain (ff. 10, 20), Siôn Tudur (ff. 12, 16, 33, 34, 42), Wiliam Llŷn (f. 25), Lewis ab Edward ('Lewis Meirchion', f. 36), Siôn Cent (ff. 32, 40), Iolo Goch (f. 46), Gruffudd Hiraethog (f. 48), a rhai beirdd anhysbys. = The cywyddau were composed, [1320x?1580], by Siôn Phylip (f. 1), Simwnt Fychan (f. 21), Wiliam Cynwal (ff. 6, 28), Rhys Cain (ff. 10, 20), Siôn Tudur (ff. 12, 16, 33, 34, 42), Wiliam Llŷn (f. 25), Lewis ab Edward ('Lewis Meirchion', f. 36), Siôn Cent (ff. 32, 40), Iolo Goch (f. 46), Gruffudd Hiraethog (f. 48), and a few unidentified poets.

Dau ffotograff golau uwch-fioled, [1940], o gopi anghyflawn o gywydd, [16 gan.], ar ddeilen rhwymo llawysgrif o Sieffre o Fynwy, Historia Regum Brittanie (Eton College MS 246 erbyn hyn, gw. Julia C. Crick, The Historia Regum Britannie of Geoffrey of Monmouth, III: A Summary Catalogue of the Manuscripts (Caergrawnt, 1989), tt. 113-4). = Two ultra-violet light photographs, [1940], of an imperfect copy of a cywydd, [16 cent.], written on the fly-leaf of a manuscript of Geoffrey of Monmouth's Historia Regum Britannie (now Eton College MS 246, see Julia C. Crick, The Historia Regum Britannie of Geoffrey of Monmouth, III: A Summary Catalogue of the Manuscripts (Cambridge, 1989), pp. 113-4).
Mae'r ddalen hefyd yn cynnwys dwy linell, mewn Lladin, mae'n debyg o waith Albertano o Brescia, De amore et dilectione Dei et proximi et aliarum rerum et de forma vite, Liber IV. Caput XIII (f. 2). = The leaf also contains two lines, in Latin, apparently from Albertano of Brescia's De amore et dilectione Dei et proximi et aliarum rerum et de forma vite, Liber IV. Caput XIII (f. 2).

'Cywydd Farn', 1764, gan, ac yn llaw, Rice (Rhys) Jones o'r Blaenau. Ceir copi arall ohoni, a ymddengys i fod yn llaw Rhys Jones, yn NLW MS 3059D (tt. 77-84), ac fe'i cyhoeddwyd yn Gwaith prydyddawl y diweddar Rice Jones o'r Blaenau, Meirion (Dolgellau, 1818). Ceir hefyd eiriau 'Carol Plygain', 1778, gan Evan Arthur. Ar f. 8 verso mae testun crefyddol aneglur (?carol) wedi'i briodoli i Robert Jones. = Poem, 'Cywydd Farn', 1764, by, and in the hand of, Rice (Rhys) Jones of Blaenau. A further copy of the poem, which appears to be in the hand of Rhys Jones, is included in NLW MS 3059D (pp. 77-84), and it was published in Gwaith prydyddawl y diweddar Rice Jones o'r Blaenau, Meirion (Dolgellau, 1818). Also included are the lyrics of 'Carol Plygain', 1778, by Evan Arthur. An obscure religious text (?carol) attributed to Robert Jones is included on f. 8 verso.