A manuscript in the hand of Moses Williams (pp. 1-4) and another (pp. 5-66) containing a transcript of Kulhwch ac Olwen and of Y Mabinogion from the Red Book of Hergest.
A manuscript containing Brut y Brenhinedd, after 'Ifan Llwyd ap Dafydd o Nantmynach o fewn Sir Feirioydd [sic], Esquier'. Pp. 1-9 are in the hand of the Reverend Moses Williams.
A manuscript, 'ex Autographo D'ni H. Salesbury de Llan rwst penes dnm R. Salesbury de Rug', containing pedigrees and poetry. Pp. 1-22 are in the hand of David Parry, and pp. 23-36 probably also in his hand. The poets cited include Taliesin, Sion Tudur and Dafydd ab Edmwnd.