Monmouthshire deeds and documents, 1477-1761, some concerning the families of Thomas, Kemeys and Gardner (later Gardner-Kemeys) of Bertholey, Llantrissent; together with a small number of deeds and documents relating to properties in Denbighshire, Flintshire and Brecknockshire, 1513-1775; Cardiganshire, 1578-1755; Yorkshire, 1398-1605, and Lincolnshire, 1563.

Documents collected by Col. Sir John Conway Lloyd, including over a thousand deeds, 1323-1870, relating to properties in the counties of Brecon, Glamorgan, Hereford, Monmouth, Radnor, Cardigan, Carmarthen, Gloucester, and London; together with various documents, including letters and papers relating to the Lloyd family and other estates. In addition, the archive consists of deeds and documents, 1588-1864, mainly of industrial interest accumulated by John Lloyd (1833-1915), pertaining to the New Weare ironworks, Goodrich, Hereford; the Hirwaun ironworks; the Beaufort Iron Company, the Clydach ironworks; the Dowlais Iron Company; and the Bute Works. A substantial group of Dinas Estate records has been transferred to the Maybery Collection.

Deeds and documents (1668-1882) relating to properties mainly in in co. Flint (Axton, Bistre, Caergwrle, Coleshill, Cwm, Cwm Uwchglan, Diserth, Estyn or Hope, Hawarden, Holywell, Hope, Hope Owen, Huriathicke, Kilken, Kinnerton, Mould, Newmarket, Northop, St Asaph, Shordley, Skeiviog, and Whitford), but also in cos Denbigh (Denbigh, Henllan, Llanrwst and Lleweny), Chester (Chester and Dodleston), Brecknock (Devynnock), Anglesey (Amlwch, Coedana, Llanerchymedd, Llanbadrug, Llanddyfnan, Llanfechell and Llanfihangel Tre'r Beurdd), Montgomery (Berth Lloyd) and Pembroke (Amroth). The main families were Mostyn of Mostyn Hall and Hope of Broughton and Hope.

Deeds relating mainly to Carmarthenshire, 1531-1857, and to other Welsh counties including Brecknockshire, 1655-1800, Cardiganshire, 1628-1819, Glamorgan, 1673-1792, Monmouthshire, 1636-1795, Montgomeryshire, 1675-1702, Pembrokeshire, 1724-1811, and Radnorshire, 1689-1773. There is no apparent connection between the deeds.