A volume containing historical notes, in Welsh, probably written in the year 1847, with reference to the origin of the Calvinistic Methodist and Baptist denominations in various parts of North Cardiganshire.

Papurau, [1943]-1963, yn ymwneud ag Ysgolion Cymraeg yn gyffredinol, gan gynnwys enghreifftiau o ymarferion iaith a gramadeg ac arholiad darllen a deall, 1943, papur iaith Cymraeg, Nadolig 1947, a barddoniaeth a gyflwynwyd i ddisgyblion yr Ysgol Gymraeg yn Aberystwyth; rhifyn o Yr Aelwyd, Ionawr 1950, yn cynnwys erthygl 'Ffarwelio â Miss Norah Isaac'; papurau'n ymwneud ag Undeb Rhieni Ysgolion Cymraeg, 1952-1957, a'r cyfansoddiad a 'Memorandwm ar Gynllun Addysg Sir Aberteifi a lle arbennig yr "Ysgolion Cymraeg" yn y cynllun hwnnw', cyflwynedig i Awdurdod Addysg Sir Aberteifi gan Bwyllgor Gwaith Cwmni Urdd Gobaith Cymru, 1950; adroddiad Arolygwyr eu Mawrhydi, 1948, ar yr Ysgol Gymraeg, ac erthygl o'r Faner, 1949, yn cynnwys adroddiad 'Clod arolygwyr i Ysgol Gymraeg'.

Adysgrif gan Erfyl Fychan, [1920]-[1968], o lyfr William Jones (1726-1795), Dolhywel, Llangadfan, yn cynnwys cerddi yn y mesurau caeth ganddo, 1771-1792, ynghyd â rhestr o ddyddiadau 'holl hen ffeiriau Cymru' o lawysgrif a ysgrifennwyd tua 1620. Defnyddiwyd y llyfr hefyd ar gyfer gwneud nodiadau o lawysgrif Cwrtmawr 856D ar arferion priodi yn Sir Aberteifi.

Cofnodion Urdd Gobaith Cymru, Rhanbarth Ceredigion,1965-1997, yn cynnwys cofnodion pwyllgorau, 1965-1995; gohebiaeth, 1979-1995; adroddiadau a deunydd printiedig, 1975-1993; a phapurau amrywiol, 1983-1995 = Records of Urdd Gobaith Cymru, Rhanbarth Ceredigion, 1965-1997, comprising committee minutes, 1965-1995; correspondence, 1979-1995; reports and printed material, 1975-1993; and miscellaneous papers, 1983-1995.

Miscellaneous papers, 1708-1893, relating to Cardiganshire, including a survey of lands and houses in Aberystwyth by Thomas Evans and John Richard, 1708 (ff. 1-2); particulars of tithe owners in north Cardiganshire, mid eighteenth century (ff. 3-7 verso); and minutes of a meeting of estate owners relating to enclosing the manor of Mefenydd, 1814 (ff. 11-12).

'The day book of Subsistance &c. at Esgr mwyn [i.e. Esgair Mwyn lead mine, Cardiganshire] Sept. 25th to Novr. 22th 1754', and a transcript of an act 'Concerning the Laws to be used in Wales', 27 Henry VIII, c. 26.

Papers, 1871-1884, of D[avid] Griffith Davies, Castle Green, mainly relating to the Cardigan and River Tivy Improvement Scheme; official reports on the alleged pollution of the river Tivy by lead mines, etc.; an official letter written from Whitehall by Henry Fitzroy on behalf of Viscount Palmerston, 1853, relating to the withdrawal of troops stationed at Cardigan.

A statement signed by Ebenezer Richard on behalf of the Cardiganshire Calvinistic Methodist monthly meeting, held at Ponterwyd, 19 September 1833, certifying that Phillips was 'an Accredited Preacher in the Welch Calvinistic Connexion'; a letter, 5 December 1839, from Lewis Edwards, Bala, to Phillips; an account of 'The Bangor Controversy - 'Dadl Bangor'' occasioned by a lecture given by Phillips at the Tabernacle Chapel, Bangor on 19 November 1850 on 'Romanism, the Church and Dissent'; a copy of John Phillips: Dadl Bangor, yn cynnwys Sylwadau a draddodwyd mewn Darlith Gyhoeddus ... (Caernarfon, 1852).

A bound volume containing printed Acts of Parliament, 1736-1868, largely relating to the conveyance of lands for charitable uses; a printed circular letter, 1861, from the Wesleyan Chapel Committee to the Superintendents of Circuits, calling attention to the provisions of 'An Act to amend the Law relating to the Conveyance of Land for Charitable Uses', 17 May 1861; and a manuscript alphabetical list, compiled circa or after 1871, of trust deeds of Calvinistic Methodist churches, Sunday schools, day schools, dwelling and chapel houses, cemeteries and land in co. Cardigan.

Account books, 1849-1880, of Daniel Jenkins of Coed, Llanddewi Aber-arth, later of Tyngwndwn, Llanbadarn Trefeglwys, co. Cardigan, farmer, containing farming and other accounts; a list of purchasers at the Coed sale, 1874, with the amounts paid for the various lots (MS 22878, ff. 1v, 9v-62); and miscellaneous memoranda. Inserted in MS 22877 is a copy of Reynolds's Astrological and Prophetic Almanack for 1848 (ff. 126-34v).

Adysgrifau a mynegeion a baratowyd gan Dr E. L. James a Dr M. A. James o feddargraffiadau ar gyfer plwyfi Llanddewibrefi a Llangeitho, Ceredigion (Cyfrol XVII).

Adysgrifau a mynegeion a baratowyd gan Dr E. L. James a Dr M. A. James o feddargraffiadau ar gyfer plwyfi Llanbedr Pont Steffan, Cellan a Llanfair Clydogau, Ceredigion (Cyfrol XVI).

A minute book, 1794-1824, of the quarterly meetings of Baptist churches in Aberystwyth, Aberduar, Penybont, Y Drefach, Panteg, Y Graig, Llwyndafydd, Cilfowyr, Blaenywaun, Ebenezer and their branches, with answers to questions set for the meetings.

One of two volumes containing a north Cardiganshire - possibly Llanfihangel Genau'r Glyn - farmer's account books, 1850-1879.

One of two volumes containing a north Cardiganshire - possibly Llanfihangel Genau'r Glyn - farmer's account books, 1850-1879.

A calendar of plea rolls of the county of Cardigan, 1541-1609, compiled by H. J. T. Wood.

The second of two volumes of cost books, 1866-85, of the South Darren Lead Mining Company.

The first of two volumes of cost books, 1866-85, of the South Darren Lead Mining Company.

The cost book of the Cwm Sebon lead mine, 1856-1860, and of the South Darren Lead Mining company, 1860-1865.

Typewritten copies of reports by various engineers on the Frongoch, West Frongoch and Loveden lead mines, Cardiganshire, 1903-1905.