Plas Power estate papers, including deeds, 1576-1921, mainly for lands in Denbighshire, 1576-1914, mainly in Wrexham townships, Flintshire, 1702-1899, Merionethshire, 1642-1824, Montgomeryshire, 1719-1747, Cheshire, 1658-1828, Lancashire, 1633-1674, London, 1730-1925, and Shropshire, 1719-1871; esta...

Deeds, 1459-1921, relating mainly to the estate in Denbighshire, 1552-1921, Flintshire, 1587-1764, Hertfordshire, 1610-[19 cent.], and to the Surrey and Buckinghamshire estate, 1568-1717; estate papers including papers relating to house and grounds, 1683-1977, rentals and surveys, 1585-1932, account...

A collection of 9097 papers relating to the Mostyn family, which includes literary and historical manuscripts, dating from the 16th to 18th centuries, notably 76 volumes /items of Welsh poetry; family papers, including marriage settlements, wills and personalia of the Mostyns of Mostyn, Gloddaeth, B...

A collection of papers relating to the Bodrhyddan estate. Ranging in date from the 14th to the 20th centuries. They supply a valuable insight into the development and day-to-day business of the estate. It comprises family papers (wills, settlements, mortgages and personalia) of the Conwys, Shiple...

A collection of 1809 items ranging in date from 1391 to 1922 and relating to the Kinmel estate in the counties of Denbigh and Flint owned, successively by the families of Holland, Carter and Hughes. It comprises, title deeds and documents affecting properties in Abergele (and the townships of Aberg...

A collection of 806 items comprising, title deeds and other documents relating to properties in Aberffraw, Amlwch, Beaumaris, Bodafon, Bodedern, Bodfilog, Bodwrog, Brynberfa, Cerrigceinwen, Coedana, Dinam, Heneglwys, Holyhead, Llanbabo, Llanbadrig, Llanbedr-goch, Llanbeulan, Llanddaniel, Llanddeusan...