Dyddiadur y Methodistiaid Wesleyaidd ... 1891, containing entries, in Welsh, by Owen Thomas, ?Tre-garth, parish of Llandygái, co. Caernarfon, mainly comprising reflections on his spiritual condition, and including (p. 36) a reference to his fellow-workers ('fy nghyd-weithwyr') at the Penrhyn slate quarry.

A school exercise book containing the notes of five Welsh sermons. The first sermon is attributed to 'y Parch Hugh Jones (W), Tregarth' [the Reverend Hugh Jones, Wesleyan minister, who ministered at Tre- garth, co. Caernarvon, during three separate periods between 1866 and 1896].