Cofnodion yn ymwneud yn bennaf ag Eglwys Bethel, Borth-y-gest, sir Gaernarfon, 1871-1967, yn cynnwys galwadau i bregethwyr, gohebiaeth, cyfrifon, cofrestri'r Gobeithlu ac eitemau printiedig; nodiadau ar hanes yr eglwys gan Mrs E. P. Mclean ac W. Ross Hughes, [1895]-[1967]; ac eitemau'n ymwneud ag Eglwys Siloam, Morfa Bychan, sir Gaernarfon, 1871-1923. = Records relating mainly to Bethel Welsh Congregational Church, Borth-y-gest, Caernarfonshire, 1871-1967, including pastoral calls, correspondence, accounts, Band of Hope registers and printed items; notes on the history of the church, by Mrs E. P. Mclean and W. Ross Hughes, [1895]-[1967]; and items relating to Siloam Congregational Church, Morfa Bychan, Caernarfonshire, 1871-1923.