The series comprises papers concerning borough elections of Denbigh and the Flintshire boroughs, including lists of burgesses voting [c. 1742], state of the poll, 1806, and an enquiry into undue election procedures, 1813.

Deeds, relating to properties in the following counties: Anglesey, 1737-1871; Cardiganshire, 1736-1780; Carmarthenshire, 1684-1838; Caernarfonshire, 1831-1878; Denbighshire, 1591-1837; Flintshire, 1465-1855; Glamorgan, 1597-1883; Merionethshire, 1793; Pembrokeshire, 1683-1857; and Radnorshire 1623-1816.

Deeds and other documents, [16 cent.]-[19 cent.], collected by James Coleman, relating to Anglesey, Brecknockshire, Cardiganshire, Carmarthenshire, Caernarfonshire, Denbighshire, Flintshire, Glamorgan, Merionethshire, Monmouthshire, Montgomeryshire, Pembrokeshire, and Radnorshire, in Wales; and Cornwall, Cumberland, Gloucestershire, Herefordshire, Lancashire, Shropshire, and Suffolk, in England.

The series comprises correspondence and papers relating to Labour Party organization in East Flintshire mainly during Eirene White's tenure of the constituency from 1950 to 1970, many deriving from the general election campaigns of 1950 to 1966. A few of the papers concern political life in the old Flintshire constituency, notably Eirene White's abortive candidature in the general election of July 1945.

Deeds and documents, 1280-1797, relating to Shropshire, Cheshire, Denbighshire, Flintshire, Montgomeryshire and Staffordshire, together with genealogical, heraldic and antiquarian notes, compiled c. 1745-c.1766 and [mid 19th cent.].

A collection of historical accounts of the castles of Prestatyn, Diserth, Basingwerk, Holywell, Caergwrle (otherwise Hope), Hawarden, Mold, Ewloe, Overton and Flint.

A file of draft and printed election addresses, with correspondence relating to the same, by Sir John Herbert Lewis, 1891-1910.

Deeds, 1507-[1839], mainly relating to Flintshire, and to a lesser extent to Denbighshire and Anglesey.

Legal precedents and transcripts of official letters and orders, largely of Denbighshire and Flintshire interest; a calendar; proportions of mise payable by the different townships of Isdulas, Denbighshire; etc.

Ministers' accounts of the Chamberlain of Chester for the counties of Cheshire, Flintshire and Denbighshire.

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.

Sermons by Owen Owens, lists of sermon texts and of places at which they were delivered, memoranda relating to Congregationalist affairs, a few autograph letters, etc.

Manuscripts of Owen Owens comprising for the most part notes of sermons preached by himself and others, 1816-1860, including those delivered at Rhes-y-cae chapel near Nannerch, Flintshire, and Salem, Cilcain. The collection also includes diaries, 1822-1835, of Owens; correspondence, 1828-1858, addressed to Owens; an almanac, 1833, with entries by Owens, largely comprising of preaching engagements; and miscellaneous papers.

Deeds purchased from W. A. Evans, relating to Denbighshire, Flintshire and Anglesey, 1310-1795.