Estate accounts kept by Allen, together with Tenby town and harbour accounts and financial and other details relating to Pembrokeshire.

A copy, with manuscript notes by Allen, of Edward Laws: The History of Little England beyond Wales ... (London and Tenby, 1888).

One of two volumes containing Allen's copies, with manuscript notes by him, of Parts I-III of The Description of Pembrokeshire, by George Owen of Henllys ... Edited ... by Henry Owen ... (London, 1892-1906).

One of two volumes containing Allen's copies, with manuscript notes by him, of Parts I-III of The Description of Pembrokeshire, by George Owen of Henllys ... Edited ... by Henry Owen ... (London, 1892-1906).

Allen's copy, with manuscript notes by him, of Old Pembroke Families in the Ancient County Palatine of Pembroke. Compiled (in part from the Foyd MSS.) [now in the National Library of Wales] by Henry Owen ... (London, 1902).

Miscellaneous papers of Allen, mainly concerned with Pembrokeshire affairs.

Offprints of articles published in Archaeologia Cambrensis, namely 'On the Architectural Antiquities of South Pembrokeshire' by E. A. Freeman (1852), 'The House of Scotsborough, near Tenby' by Edward Laws (1906) and 'The Early Life of St. Samson of Dol' by W. Done Bushell (1903).

A copy, in five parts, of Edward Laws: The History of Little England beyond Wales (London and Tenby, 1888), interleaved, with manuscript notes by Allen.

Miscellaneous extracts and notes relating mainly to Wales in the medieval period and to Pembrokeshire families.

A selection of manuscripts, [16 cent.]-[?1919], of the late Dr Henry Owen, from the Library at Poyston. They include the manuscript note-books of Dr Owen, and of Edward Laws, his friend and fellow worker on Pembrokeshire history. The older manuscripts include two in the hand of George Owen of Henllys; holograph letters of General Sir Thomas Picton (born at Poyston); and a rent roll of the rents belonging to the Bishop of St Davids, 1685.

A group of manuscripts that form part of an extensive collection of Pembrokeshire documents and papers from the offices of Messrs. Williams & Williams, solicitors, Haverfordwest.

Treatises in Latin; a Greek vocabulary; material relating to the hundreds and parishes of Merioneth, Montgomeryshire and Pembrokeshire; 'the Syren & the hundredes of Engelonde'; rentals of several North Wales manors; an account of a tax paid by North Wales counties in 1701; a transcript of documents of King Alfred; etc.

Poetry by Rees Jones ('Amnon') written in a late eighteenth century shipping account book (?relating to Pembrokeshire).

Sermons preached originally in several parishes in Pembrokeshire and Cardiganshire, 1790-1792, by Thomas Davies.

Deeds and documents, 1553-1877, relating to properties in the parishes of Llandysilio, Llanfyrnach, Llanbedr Felffre, Lamphey and Mathri, co. Pembroke; Llanfihangel-ar-arth, Carmarthen town and borough, Llan-gain, Abergwili, Llanfihangel Rhos-y-corn, Newchurch, Llanfihangel Abercywyn, Llanybydder, Llanwinio, Tre-lech a'r Betws, Llanboidy, Aber-nant, Llangynnwr, Meidrim, St. Clears, Llandeilo Fawr, Llandybie and St. Ishmael, co. Carmarthen; Bangor [Teifi], Cellan and Caron, co. Cardigan. They include deeds for the Glandewely estate in Llanfihangel-ar-arth, 1553-1769, and the Golden Lion in Lammas Street, Carmarthen, 1771-1877.

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.

Records accumulated by Nicholas Bennett as Conservative Member of Parliament for Pembroke, 1987-1992, comprising subject files, press cuttings and constituency files.

Papurau Pwyllgor Rhanbarth Ceredigion o Blaid Cymru, yn cynnwys cofnodion,1939-1984; gohebiaeth,1944-1981; papurau'n ymwneud â gwaith a chyllid y Pwyllgor a'i ganghennau,1959-1971; papurau'r Gynhadledd Flynyddol,1976-1979; torion papur newydd,1970-1975; ymgyrchoedd, 1960-1965; adroddiadau misol Peter Hughes Griffiths, Trefnydd y pwyllgor rhanbarth,1970-1972; papurau Adran Merched Plaid Cymru,1973-1978; ffeiliau'r swyddfa ganolog, 1961-1967, a thaflenni printiedig o'r swyddfa ganolog, 1974-1985; cofnodion Cyngor Talaith Dyfed,1975-1977; gohebiaeth a phapurau ariannol cangen Aberystwyth, 1968-1979; cofnodion cangen Aberystywth,1959-1978; papurau, gohebiaeth a llenyddiaeth yn ymwneud ag etholiadau cyffredinol,1959-[1980au], ac etholiadau lleol,1963-1964. Mae grŵp ychwanegol o bapurau a dderbyniwyd yn 2000 yn dal heb eu catalogio. = Papers of the Ceredigion Area Committee of Plaid Cymru, including minutes, 1939-1984; correspondence, 1944-1981; papers relating to the work and finances of the Committee and its branches, 1959-1971; Annual Conference papers, 1976-1979; newspaper cuttings, 1970-1975; campaigns, 1960-1965; monthly reports of Peter Hughes Griffiths, the area committee organiser, 1970-1972; papers of the women's section, 1973-1978; central office files, 1961-1967, and printed leaflets from the central office, 1974-1985; minutes of the Dyfed Regional Council, 1975-1977; correspondence and financial papers of the Aberystwyth branch, 1968-1979; Aberystwyth branch minutes, 1959-1978; papers, correspondence and literature relating to general elections, 1959-[1980s], and local elections, 1963-1964. A further group of papers received in 2000 remains uncatalogued.

Mae dau grŵp o bapurau ychwanegol yn dal heb eu catalogio.

Papers relating to the activities of the Preseli Anti-Nuclear Group, 1981-1987, including mostly newspaper cuttings concerning the nuclear arms race, foreign affairs, peace groups and disarmament, nuclear power stations and nuclear waste, with also leaflets and correspondence.

Deeds and papers accumulated by D. Roy Evans, comprising the papers of Mrs A. A. Puddicombe (Allen Raine), including manuscripts of her work, [1894x1908] and an eighteenth-century manuscript formerly belonging to her; newspaper cuttings relating to the death of, and the inquest upon, Sarah Jacobs of Llether-noyadd-ucha, Llanfihangel-ar-arth, co. Carmarthen, the Welsh fasting girl, 1869-1870; a copy of Mercvrivs Avlicvs, communicating the intelligence and affairs of the Court, to the rest of the Kingdom. From May to May 11, 1645, recording the victory of General Charles Gerard over Major-General Laugharne before Newcastle Emlyn; and deeds and documents relating to properties in the parish of Laugharne, 1609-1756, and to properties in the counties of Cardigan, Carmarthen, and Pembroke, 1695-1900.