Five pocket books containing notes by J. R. Williams, Rhosgadfan, of proceedings at monthly meetings within the Arfon C. M. Presbytery, 1922-1930.

A report by John Roberts, Llangwm, on the scheme for monthly collections to defray the costs of building and to clear the debts of Calvinistic Methodist chapels in Caernarvonshire, 1797-1829, with a brief survey of arrangements made by the North Wales Association between 1779 and 1797.

A minute book of the Six-weekly Meetings of the Arfon District of Calvinistic Methodist Sunday Schools, Caernarvonshire, 1845-52, mainly in the hand of Richard Owen Williams, Bangor, and subsequently of Thomas Lewis (1821-97), Bangor, Member of Parliament for Anglesey.