Deeds, documents and probate records, 1617-1853, relating mainly to the parishes of Caerhun, Conwy, Dwygyfylchi, Gyffin, Llanbedrycennin and Llannor, Caernarfonshire, and to the Abbey estate, in Denbighshire, Merionethshire and Caernarfonshire, 1811-1819; notes on sermons, 1861-1889; and miscellaneous papers relating to Amlwch, Anglesey, 1801-1868.

Deeds and documents, 1686-1911, accumulated by R. H. Evans, relating to properties in parishes in south and west Caernarvonshire, Denbighshire, Cheshire and Lancashire, including miscellaneous correspondence and papers and particulars of mines in Llanengan, co. Caernarvon; manuscripts, papers and volumes relating to local government and the administration of justice in the counties of Caernarfon, Anglesey and Merioneth, 1685-1905; together with a manuscript volume of 'Old Welsh Melodies' collected by John Ceiriog Hughes, 'Ceiriog', Caersws, and presented by him to Nicholas Bennett, 1885.