Papurau, 1831, 1838 a 1926-1927, yn ymwneud â Chapel yr Annibynwyr, Rhuthun, a Chymdeithas Gymraeg Rhuthun a'r Cylch. = Papers, 1831, 1838 and 1936-1927, relating to the Congregational Chapel, Ruthin, and the Ruthin and District Welsh Society.
Maent yn cynnwys nodiadau o bregeth, 1831, gan y Parch. William Williams, y Wern (ff. 1-2); llythyr, 1838, yn gwahodd y Parch. Richard Jones, Aberhosan, i ddod yn weinidog ar Gapel yr Annibynwyr, Heol y Ffynnon, Rhuthun (ff. 3-4); a derbyniadau a thaliadau, 1926-1927, Cymdeithas Gymraeg Rhuthun a'r Cylch (f. 5). = The papers consist of notes on a sermon, 1831, by the Rev. William Williams, Wern (ff. 1-2); a letter, 1838, inviting the Rev. Richard Jones, Aberhosan, to become minister of the Congregational Chapel, Well Street, Ruthin (ff. 3-4); and receipts and payments, 1926-1927, of the Ruthin and District Welsh Society (f. 5).

Letters calling Rowland Williams ('Hwfa Môn') to the pastorates of the following churches: Abersoch, Bwlchtocyn and Capel Newydd, 1849; Bethel, Bangor, 1851, Bagillt and Flint, 1851, Great Jackson Street, Hulme, Manchester, 1852, Bryn Sion, Brymbo, 1855, Newmarket, 1858, Bethesda, 1862, Fetter Lane, London, 1867 (with a list of members), Amlwch, 1870, Hyde Park, U.S.A., 1871, Park Road, Liverpool, 1875, Pendref and Bryn Seion, Ruthin, 1877, Llanerchymedd and Hebron, Maenaddfwyn, 1881, and Llangollen and Trefor, 1887.