Notes and transcripts by Peter Bailey Williams, including notes of inscriptions in Caernarvonshire and Anglesey churches; transcripts of letters, 1794, from Abraham Williams, Philadelphia, to Griffith Williams, Pentir; notes on Bardsey; a draft 'translation of Rhys ap Rhiccard's voyage to Bardsey, and other 'cywyddau'; letters describing an itinerary through Lleyn by Evan Richard, Bryncroes, 1794; a list of subscribers towards Llanrug school, 1794; inscriptions at Burford; receipts by John Gynes for two guineas paid by Peter Bailey Williams to him for teaching the Sunday School at Swinbrook, Oxfordshire, 1791-1792.