A composite volume consisting mainly of a commonplace book of Rice Pierce (ob. 1766), rector of Llangelynnin, Merionethshire. The contents include poetry in Welsh, English, and Latin by Rice Pierce; ecclesiastical precedents; lists of bishops of Bangor, St Asaph, Llandaff and St Davids, deans of Bangor and archbishops of Canterbury; verses by Tho[mas] Owen of Aberffraw; 'Descriptio Salsae Paludis, Wallice Pwllheli'; entries of birth and/or baptism of children of Hugh Thomas of Hendre [parish of Llangelynnin], 1685-7; lists of beneficed clergy in individual parishes in Anglesey; the 'valor' of benefices in the dioceses of Bangor and St Asaph; notes on Oxford Colleges built on the site of old Halls; a list of bishops educated at Jesus College, Oxford; notes on the founders and patrons of individual churches in Anglesey, extracted from Henry Rowland: Mona Antiqua Restaurata (Dublin, 1723); 'englynion' by Edwd. Lloyd [recte Lhuyd], Ashmolean Museum, with a Latin rendering by Tho[mas] Richards, rector of Llanfyllin; 'Cambriac Suspiria In Obitum desideratissimae Reginae Carolinae, dedicata Ad Isaacum Madoxs ... Episcopum Asaphensem' by Tho[mas] Richards, rector of Llanfyllin; etc. The section of the manuscript not in the hand of Rice Pierce contains notes on logic ('Physica non est scientia : Ergo fa[lleris]', etc.), extracts from Daemonology of James I, etc.

Lists of bishops of St Asaph and rectors of Llandderfel, and extracts from the Llandderfel parish register, all in the hand of Owen Richards [Fronheulog], Llandderfel.

'A rough Copy [made by D. Harris Williams] of an Elaborate Pedigree of the Bodlwithan Family', originally drawn up in 1660 by Griff: Hughes; notes on the seals of some bishops of St Asaph; extracts from the registers, etc. of Tremeirchion; and notes relating to Cornish names.