Notebooks including accounts by Robert Evans, Ty uchaf, Trevriw, of the distribution of The Beauties of Cambria, 1829, Y Gwladgarwr, 1833, etc., lists of subscribers and accounts with William Cathrall; copies of Latin verses by Robert Jones (on the death of David Garrick and the Earl of Chatham [William Pitt the Elder]) and by Joseph Hoare (on the death of Edward Stradling); lists of books; copies of correspondence between Evan Evans ('Ieuan Glan Geirionydd') and the Bishops of Bangor and St Asaph concerning a proposal to establish a society for promoting Christian Knowledge in Wales, 1838; agreement for the rent of Ty uchaf, Trefriw, 1855; and miscellaneous notes.

Two volumes of notes on logic; and elegiac verses: 'In Conjurationem Papisticam' and 'In vigessimum nonum diem Maiae'.