A manuscript containing an original letter, 1699, from Edward Lhuyd (1660-1709); transcripts by Angharad Llwyd (1780-1866) of other letters by Lhuyd; transcripts of Salusbury of Llewenni letters and of correspondence between Philip Yorke (1743-1804), Erddig, and John Lloyd (1733-1793), Caerwys (father of Angharad Llwyd), of papers relating to the manor of Chirk, and of Edward Lhuyd's memoranda relating to North Wales, particularly Anglesey; copies of Newmarket and Dymeirchion church inscriptions; lists of and extracts from various manuscripts; other miscellanea.