Deeds relating to Glamorgan and Monmouthshire, 1528-1833, notably to the families of Morgan of Pencreeg, Monmouthshire, 1621-1679, and the Mackworth family of Neath, Glamorgan, 1724-1795.
Mae'r gyfres yn cynnwys Adroddiadau Blynyddol, 1942, 1975 ac 1977, Capel Tan'rallt, Llanllyfni, Sir Gaernarfon, sef y capel a fynychwyd gan deulu Mathonwy Hughes, ynghyd â dwy gyfrol yn cynnwys gwaith gan ddisgyblion Ysgol Sul yr un capel, 1865 a 1979.
Order books, 1865-1879; account books (listing revenue and expenditure, rentals and lime sales), 1850-1878; and printed material relating to brewing, 1867-1873.
Cofnodion cyfarfodydd Is-Bwyllgor yr Amgylchedd, ynghyd â gohebiaeth rhwng y Gymdeithas a chyrff cyhoeddus (Cyngor Cefn Gwlad Cymru yn bennaf), mudiadau cyhoeddus, gwleidyddion a gweision sifil. Ymgyrchoedd i ddiogelu amgylchedd cefn gwlad Cymru yw prif bwnc yr ohebiaeth, gyda phwyslais ar effeithiau niweidiol chwareli, y diwydiant olew, ffermydd gwynt a phrosiectau ynni dŵr, yn arbennig mewn Parciau Cenedlaethol. Ceir hefyd gohebiaeth am brosiectau ymchwil a grantiau ymchwil, a phabell amgylcheddol yn yr Eisteddfod Genedlaethol, ynghyd â deunydd perthynol yn cynnwys papurau trafod, dogfennau ymgynghorol, taflenni, cylchlythyr y Gymdeithas, a thoriadau o'r wasg.
Cynllaith Owen court leet records, 1736-1835, including court files, 1736-1758, presentments, 1815-1835, and estreats of fines, 1824-1835. There is also a single item from the manor of Nantymeichied, 1750, and four miscellaneous papers, 1816-1831.
A volume containing an early manuscript draft, [c. 1932], by Margiad Evans of her second novel, The Wooden Doctor (Oxford, 1933), here entitled 'A Divine Image', and containing material not included in the published text. The volume was originally in the possession of the geologist and palaeontologist Robert Etheridge and contains notes by him, 1854, on lead mining in Cardiganshire (ff. 242 verso-244).
Sermons preached at Efenechtyd and Llangynhafal, Denbighshire, 1810-1830, by John Jones of Plasynllan, Llangynhafal, rector of Efenechtyd, 1799-1817, and of Llangynhafal, 1817-1830, and brother of Robert Jones, the friend of William Wordsworth; and a copy of Mawr werth enaid dyn (Caernarvon, 1805).
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).
Photostat facsimiles of two letters, 1864-1865, from 'Talhaiarn' to his niece Elizabeth Anne Jones, of a psalm tune composed by her with English and Welsh words by 'Talhaiarn', and of two letters, 1922, from Elizabeth Anne Jones's daughter Lilian M. Jones, Craigfechan, near Ruthin, to Sir John Ballinger, with a list of 'Talhaiarn''s material transferred to the National Library in 1922.
The file consists of miscellaneous items accumulated by Dr Roderic Bowen during the course of his career. They include copies of his election address circulated to the Cardiganshire electorate in 1945 and 1951, photocopies of papers relating to Dr Bowen's appointment in 1946 to act as Judge Advocate at a military court for the trial of war criminals, a 1950 general election poster and a full transcript of an interview, 8 August 2000, between Dr Bowen and Matt Cole of Birmingham University. In this interview Dr Bowen reflects in some detail on his life and the major landmarks in his professional career.
Rent-roll of chief rents, 1664 x 76, payable by the freeholders, copyholders and tenants of the lordship of Cydweli, co. Carmarthen, to the Golden Grove estate.