MS.Add.4193: A series of ethical and theological extracts and notes compiled by E.B. Cowell, 1855-1856, 52 folios. Fos 51-47r are written from the opposite end of the book. On fo. 1v: 'Edwd B. Cowell, Oxford'. Fos 28-46 and 52 are blank.
MS.Add.4195: A series of notes taken by E.B. Cowell of lectures given by J.M. Wilson on Mental Philosophy, 1854, 32 folios.
MSS.Add.4196-4199: Selections from the poems of Dafydd ap Gwilym translated into English by E.B. Cowell.
Vol. I: c. 1878, 72 folios. There is a reference index at the beginning. Attached to fo. 67 is a letter from Robert Williams to [ ], 7 May 1878.
Vol. II: c. 1878, 86 folios (foliated 72-156). There is a reference index at the beginning. The versos are blank throughout.
Vol. III: c. 1878, 28 folios (foliated 157-184).
Vol. IV: c. 1878, 134 folios (foliated 185-318). There is a reference index at the beginning. The versos are blank throughout.
MS.Add.4201: Translations by E.B. Cowell of poems, January 1879-1882, 47 folios: (fo. 1) translations of Howel's poems; (fo. 14) translation of the 'Dialogue between Taliessin and Ugnach', from the 'Black Book of Caermaerthen'; (fo. 15) translation of 'Cyfeiliawg's Circuit of Wales', with notes; (fo. 20) translation of Gwalchmai's poems, with nos 4, 8 and 10 omitted. Fos 25-27, 33-35 and 39-42 are blank.
MS.Add.4202: Translations by E.B. Cowell of a selection of the poems of Cynddelw, 1887, 56 folios. Fos 48-56 are blank.
MS.Add.4203: Translations into English verse by E.B. Cowell of seven of the poems of Dafydd ap Gwilym, 1890, 48 folios. Fos 24-48 and the versos throughout are blank.
MS.Add.4204: Translation into English verse by E.B. Cowell of Michelangelo's sonnets 1-58 (nos 2, 3, 18, 24, 32, 49 and 57 are omitted), 1884-1888, 85 folios. A reference index precedes the text. Fos 58-85 are blank.