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.

Deeds and documents, 1870-1907, concerning the estates of the Crewe-Read family of Llandinam Hall, Montgomeryshire.

A summary of attendance and payments at Towyn British School, 1862-1899.

The group contains papers accumulated in preparation for Derrick Webley's biography of Penry Williams.

Press cuttings of articles, poetry and miscellaneous notes by 'Rhuddenfab', including notes on 'eisteddfodau'; a series of seventy articles entitled 'Deugain Mlynedd yn Ôl' by 'Rhen O', i.e. 'Rhuddenfab'; and autograph letters to 'Rhuddenfab' from Rowland Williams ('Hwfa Môn'), Sir George Osborne Morgan, John Davies ('Taliesin Hiraethog'), William Jones ('Ehedydd Iâl'), J. Ceulanydd Williams ('Ceulanydd'), Richard Davies ('Mynyddog') and John Thomas ('Eifionydd'); etc.

Particulars, 1849-1862, of rent received by David Charles for Llechwallto and Cwmnantgwyn farms and for a house in Wheat Street, Brecon, together with allowances and payments made by him.

Notes in the hand of Sir Harford Jones Brydges of cases heard at Quarter Sessions held at Knighton, Radnorshire, 1827-1829.

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.

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.

Account book, 1822-1827, of John Lewis, Tanlan-isaf, later of Greenhill, Llandybïe, co. Carmarthen, bootmaker, with indexes of customers' names.

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.

Rent book for Tyddyn Pendre and Tir y Dre, parish of Cenarth, Carmarthenshire, being part of the estate of the Vaughan family of Golden Grove, containing details of rent paid by the successive tenants, William Melcher and Griffith Thomas, to Charles [Powlett], 3rd duke of Bolton, to John Vaughan of Shenfield, Essex, who inherited the estate in 1752, and to his son Richard Vaughan.

Deeds, documents and business papers, 1843-1955, of the Evans family of Neuaddfawr and Rhydyronen, p. Llanfihangel Genau'r Glyn, Cardiganshire, together with poor rate books for the township of Trefeurig in the parish of Llanbadarn Fawr, [1850s]-[1860s] and an account book of Seion Independent Chapel in the township of Ceulan-a-Maesmor, 1857-1872.

The fonds comprises research material relating to drovers and drove roads in Wales, and in other parts of Britain and Ireland, reflecting R. G. Avent's interest in the subject. The papers include manuscript notes, notebooks and offprints from journals and magazines, together with some related publications. Also included is a card index containing references to relevant printed sources, some of which are cross-referenced with the notes.

Research papers of Professor T. V. Davies, 1981-[c. 1991], into the farms and farmers of Senghenydd Supra in the parishes of Gelligaer and Merthyr Tydfil including photocopies of documents in the Public Record Office, National Library of Wales, Glamorgan County Record Office, and Gwent County Record Office; miscellaneous research notes and transcripts; draft chapters; papers relating to the Llantrisant and District Local History Society, 1981-1990; letters to T. V. Davies, [c.1984]-1990; and typescripts of his lectures to history societies, 1988-1989.

Deeds, plans, wills, marriage settlements and other papers, 1709-1940, relating to the Ffrwdgrech estate, Llanfaes, Brecknockshire, and to lands in neighbouring parishes.

A volume of holograph sermons by Robert Jones, Baptist minister, Llanllyfni, co. Caernarvon. One of the sermons is dated at his home at Ochr y Foel, 29 January 1883. Also included in the volume are two hymns and a catechism. At the beginning is a list of contents ('Cynnwysiad').

The first register of [Corris] Temperance Society, August-December [1836] and undated.

A volume of transcripts of leases, grants, charters, etc., 1704-1755, relating to the issues and profits of the origianl seal for cos. Caernarvon, Anglesey, and Merioneth, and of sums of money payable for fines and recoveries levied in the said counties, compiled for reference by William Wynne, serjeant at law, who was granted a lease of the original seal in 1729. The volume is indexed.