A manuscript containing pedigrees, mainly of North Wales families; medical treatises and medical and veterinary recipes; particulars of taxes and tithes levied in Montgomeryshire c. 1591-1593; transcripts of cywyddau, etc. by Sion Tudur, Llywelyn Goch ap Meurig Hen, Lewis Môn, and others; legal memoranda; a prose tract beginning Mi a ddangosaf gen hynny ar fyrr eirie pa beth yw sacrament ...; notes, etc. by Angharad Llwyd (1780-1866); various transcripts and notes; etc.