Deeds and documents, 1515-1898, relating principally to Wales, in particular Cardiganshire, Carmarthenshire, Monmouthshire and Glamorgan. The collection does not relate to a single particular family or estate, but the Cardiganshire documents mainly relate to Aberystwyth and Llanbadarn Fawr.

Documents, including wills, letters and other papers, relating to the Davies families of Aberystwyth, Carnachen-wen, and Cwrtmawr, 1818-1885, and the family of Rev. Peter Williams, 1777-1860; deeds of the same families, relating mainly to properties in Aberystwyth, Henllys, Llanbadarn Fawr, Llanddewi Brefi, Llanfihangel Genau'r Glyn, and Talybont, Cardiganshire, Dinas, Little Newcastle, Puncheston, and St Davids, Pembrokeshire, and Llanedi, Carmarthenshire, 1582-1920 (mainly 1773-1920), and in particular to Coldstone, Little Newcastle, Pembrokeshire, 1773-1916.