Deeds and documents, 1774-1933, relating mainly to farms called Penrhyn Mawr and Penrhyn Fach, and in particular to a parcel of Penrhyn Fach called Park y Quay on which Penrhyn Castle was built in the parish of St Dogmaels, co Pembroke, with also related maps, correspondence, and sales catalogues.
Correspondence and research notes of Dr. A.W.L.Seaman relating to politics in Merthyr Tudful before 1914, comprising correspondence and papers relating to the biographies of three members of parliament for Merthyr Tudful (c. 1880-1914), namely William Pritchard-Morgan, Keir Hardie, and Edgar Jones (including letters from Edgar Jones, 1960-1961,) and newspaper cuttings and ephemera relating to the Merthyr Tydfil parliamentary election, January 1910.
Papers relating to the Society for the Development of Tregaron and District (Cymdeithas Datblygu Tregaron a'r Cylch) comprising a minute book and draft minutes, 1967-1982; correspondence, 1967-1982; financial papers, 1967-1979; papers, 1969, relating to a survey by the Mid-Wales Industrial Development Association into the availability of labour in the Tregaron Rural District; and miscellaneous reports and printed booklets.
Papers, 1946-1947, relating to an outbreak of typhoid fever in Aberystwyth in 1946; an account of the history of medical services in Aberystwyth (published in Ceredigion, vol. V (1966), pp. 168-208), with related notes and correspondence, 1955-1966.
Records of the Rhondda Conservative and Unionist Association, 1971-1986, including minutes of Executive Council meetings, 1973-1986; minutes of the Mid-Rhondda Branch, 1971-1976; minutes of Joint Branch meetings, 1976-1986; and photocopies of the Rhondda Conservative and Unionist Association Newsletter, 1976-1986.
Correspondence, 1975-1995; minutes of Annual General Meetings and Secretary's reports, 1976-1988; financial papers, 1976-1980; lists of members, 1976-1981; publicity material and miscellaneous papers, 1978-1989, and papers relating to symposiums, 1981, 1984, 1988 and 1992.
Journals, 1860-1861, kept by William Davies, Pumpsaint, Carmarthenshire, midshipman, during voyages to Buenos Aires, Melbourne and Point de Galle, Ceylon.
Mae'r fonds yn cynnwys dwy gyfrol, 1937-1961, yn cofnodi'r niferoedd a oedd yn bresennol yn nosbarthiadau'r Ysgol Sul, Capel Hermon, Llanfachreth, manylion am eu gweithgareddau yno a chyfanswm y casgliadau; nifer o 'lyfrau'r athro' a gedwid gan athrawon yr Ysgol Sul, 1959-1968, yn rhestri enwau'r plant o fewn y dosbarthiadau unigol a manylion am eu presenoldeb; ynghyd â llyfr cyfrifon, 1912-1927, yn cofnodi cyfraniadau'r aelodau at wahanol gasgliadau a chyfres o holiaduron, 1916-1929, yn rhoi manylion am y capel a'r aelodau.
Seven home-made booklets containing sermon notes in the hand of David Rees [Calvinistic Methodist preacher, of Bronnant, co. Cardigan]. Each note-book contains the notes of one sermon; four are dated 1861, 1871, 1873, and 1887, respectively.
A bound attested copy of the apportionment of rent charge payable in lieu of tithes in the parish of Gwnnws, co. Cardigan, as confirmed by the Tithe Commissioners in 1847, prefaced by a copy of the award made prior to the apportionment and confirmed by the Commissioners in 1844.
A register of the monthly rainfall at Pantmawr, parish of Llangurig, co. Montgomery, December 1899-July 1905, taken by David John Lewis, Glansevern Arms Hotel; together with an annotation, 1931, by 'E. A. L.', i.e., Professor E. A. Lewis, University College of Wales, Aberystwyth.
A volume of typescript material relating to hunting and Welsh huntsmen entitled 'Random Accounts of Welsh Huntsmen and Hunts' accumulated by Dr T. F. Holley, 2004.