Diary, 1870-1895, of William Griffith, Coetmor, Pen-y-groes, Caernarvonshire, a deacon at Bethel Calvinistic Methodist church, Pen-y-groes, containing occasional entries, mostly of a religious nature. Also included are transcripts of some twenty poems by William Griffith, written between 1857 and 1891, many of which were published in Baner ac amserau Cymru. Items found loose inside the volume have been tipped in on ff. 16-21.