Notes on Taliesin by Stephens, with proof sheets of his essay entitled The Poems of Taliesin, 1851.

Cywyddau and other poetry by Robin Ddu, Sion Ceri, Gronw Ddu o Fôn, Dafydd Llwyd ap Llywelyn ap Gruffudd, Maredudd ap Rhys, Guto'r Glyn, Iorwerth Fynglwyd, Rhys Goch Eryri, Wiliam Llŷn, Dafydd ap Gwilym, Tudur Aled, Owain ap Llywelyn ap Moel y Pantri, Lew[y]s Morganwg, Dafydd Nanmor, Gruffudd Gryg, Iolo Goch, Sion ap Hywel, Lew[y]s Môn, Gruffudd ab Ieuan ap Llywelyn Fychan, Ieuan Deulwyn, Gruffudd Llwyd ab Ieuan, Siôn Tudur, Ieuan ap Rhydderch, Tudur Penllyn, Gruffudd Llwyd ap Dafydd, Siôn Cent, Gruffudd ab yr Ynad Coch, [Sir] Rhys ap Thomas, Hywel Swrdwal, Aneirin [Gwawdrydd], Lew[y]s Glyn Cothi, Ieuan Du'r Bilwg, Robert Leiaf, Gruffudd Hiraethog, Deio ab Ieuan Du, Dafydd ab Edmwnd, Ieuan ap Gruffudd Leiaf, William Cynwal, Llawdden, Ieuan Gethin ab Ieuan ap Lleision, Llywelyn ap Maredudd ab Ednyfed, Hywel Aeddren, Hywel ap Dafydd ab Ieuan ap Rhys, Morgan ap Huw Lewis, Sion Brwynog, 'Huw Llwyd', Roger [C]yffin, Daniel ap Llosgwrn Mew, Bleddyn Fardd, Dafydd Baentiwr, Gruffudd ab Ieuan ap Rhys Llwyd, Sion ap Hywel [ap Llywelyn] Fychan, Siôn Phylip, S[i]r Owain ap Gwilym, Syr Hywel o Fuellt, Rhys ap Hywel ap Dafydd and Ieuan Castell.

'Cywyddau', 'awdlau' and carols by Huw Arwystli, Owain Gwynedd, Syr Owain ap Gwilym, Siôn Phylip, Ieuan Llwyd, Hywel Cilan, Edwart Urien, Lew[y]s Glyn Cothi, Rhys Cain, Dafydd ap Gwilym, Mathew Brwmffild, Ieuan Dew Brydydd, Dafydd Nanmor, Lewis Trefnant, Huw Machno, Sion Tudur, Guto'r Glyn, Sion Cain, Gruffudd Llwyd ap Dafydd ab Einion, Sion Mowddwy, Edmwnd Prys, Wiliam Llŷn, Richard [Rhisiart] Phylip, Sion Cent, Syr Phylip o Emlyn, Rhys ab Ednyfed, Iorwerth Fynglwyd, Syr Dafydd Trefor, Hywel ap Dafydd ab Ieuan ap Rhys, Tudur Penllyn, Deio ab Ieuan Du, Tudur Aled, Mastr Harri, Robin Ddu, Mor[u]s ab Ifan ab Einion, Edwart ap Rhys, Sion ap Rhys ap Llywelyn, Dafydd ab Edmwnd, Rhys ap Huw ab Ednyfed, Rhydderch ap Sion Llywelyn, Thomas Vaughan, William Vaughan, Sion Benddu, Gruffudd Gryg, Taliesin, Ieuan ap Hywel Swrdwal, Iolo Goch, Rhys ab Ednyfed and Bedo Hafesb; 'englynion', triads and recipes.

A volume of transcripts of poetry, mainly 'cywyddau' and 'englynion', by Iowerth Fynglwyd, William Llŷn, Huw Cae Llwyd, Gwilym ap Sefnyn, Dafydd Nanmor, Thomas Prys, Syr Dafydd Trefor, Aneurin Gwawdrudd ('Anearan Gwowdrudd'), Rhys Pennardd, Iolo Goch, Gutun Ceiriog, Siôn Mawddwy, Dio ap Ifan Du, Rhys Goch Glyndyfrdwy, Dafydd ap Edmwnd, Dafydd Ddu o Hiraddug, Philip John Philip, Siôn Philip, Owain Gwynedd, Ieuan Brydydd Hir, Siôn Cent, David Jones, Rhys Wynn, Siôn Tudur, Dafydd ap Gwilym, Dafydd Llwyd ap Llywelyn ap Gruffudd, Meredydd ap Rees, Llywelyn ap Gutun, Syr Owain ap Gwilym, Griffith Philip, Rowland Vaughan, Richard Philip, Edmwnd Prys, Robin Ragett, Tudur Aled, John Prichard Prys, Robert Klidro, Ellis Rowland 'o Harlech', Hugh Llwyd 'o Gynfal', Huw Morris, Lewis Morris, Mr. David Roberts, Rice Lloyd, Moris ap Robert, Bala, and Thomas Jones, Orsedd Las. The greater part of the volume was written in the early eighteenth century. Among slightly later hands at the end of the volume is that of William Jones of Orsedd Las. At the end of the volume is a letter from a Welsh emigrant, written from Delaware, 21 September, 1828.

A commonplace book of prose and verse, including a fragment on husbandry, recipes, a charm, astronomical and tide tables, 'Ystori Peilatvs', 'Ystori Adda', 'Ystori Noe Hen', 'Ystori Suddas', 'Araith Gwgan', an extract from Y Ffydd Ddi-ffvant, interpretations of dreams, a calendar for 1695, and poetry by Aneirin Gwawdrydd (fl. second half 6 cent.), Taliesin (fl. end 6 cent.), Hywel Cilan (fl. c. end 15 cent.), Sion Cent (c. 1400-15 cent.), Dafydd Nanmor (fl. 15 cent.), Dafydd ab Edmwnd (fl. 1450-1490), Dafydd ap Gwilym (fl. 1315/20-1350/70), Iolo Goch (c. 1320-1398), Morys ap Hywel (fl. c. 1530), Gruffudd ab Ieuan (c. 1485-1553), Sion Brwynog (d. ?1567), Sion Tudur (c. 1522-1602), Huw Morys (1622-1709), Dafydd ap Rhys (fl. c. 1550), Lewys Morganwg (fl. 1520-1565), Robert Leiaf, Guto'r Glyn (c. 1435-c. 1493), Gruffudd Gryg (fl. 1357-1370), Maredudd ap Rhys (fl. 1440-1483), Tudur Aled (c. 1465-c. 1525), Gruffudd ap Dafydd ap Hywel (fl. 1480-1520), Syr Dafydd, Rhys Cain (d. 1614), Gruffudd Llwyd ab Einion (fl. c. 1380-1410), Wiliam ap Sion ap Dafydd, and Thomas Prys (1564?-1634). Some 'englynion' and memoranda have been written in the margins by Evan Thomas, Cwmhwylfod (d. 1781).