A typewritten list of articles and historical notes by J. M. Cronin bearing on the history of the Roman Catholic Church in Wales, particularly in South Wales, printed in St. Peter's Magazine, Cardiff, 1921-1929.
A charm against witchcraft found under a beam at Gelli Bach, Glyn Ceiriog, with related letters, 1930, from Charles B. C. Storey, Plas Nantyr, Glyn Ceiriog.
A copy of The Longfellow Birthday Book which belonged to M. A. Parry, Deganwy, Llandudno, and which contains autographs and a few watercolour sketches.
A copy of Pasiant yr Ysgol Sul, Rhostryfan, held 1 August 1929 and written by William Gilbert Williams, together with photographs of the several characters taking part.
A photostat facsimile of the old Welsh music transcribed by Robert ap Huw of Bodwigan, Anglesey, from the original by William Penllyn and contained in British Museum Add. MS. 14905.
Wiliam Penllyn, fl. 1550-1570 Old welsh music from original of, facsimile, NLW MS 5247C
Account books, 1869-71 and 1888-9, of cash receipts and expenditure on account of the highways in the districts or townships of Broncastellan, Cwmrheidol, Melindwr, Tirymynach, Trefeirig, Clarach, Vaenor Lower, Issa yn Dre, Parcel Canol, Vaenor Upper and Ucha yn Dre, all in North Cardiganshire.
One of six volumes of memoranda, accounts, and miscellaneous notes and extracts mainly relating to the industrial development of South Wales, compiled between 1806 and 1849 by Thomas Ellis (b. 1781), a patternmaker at Tredegar.
Ellis, Thomas, of Tredegar, b. 1781 Memoranda by, NLW MSS 5155-5160A
A lecture by W. J. Waterhouse on the history of the Church of England, particularly in Wales, in the seventeenth century, and minutes of various Church Defence committees and meetings held in the Rural Deanery of Ultra Aeron, Cardiganshire, 1906-1907, during the campaign for the disestablishment and disendowment of the Church in Wales.
A journal, 1818-1836, with full details relating to his work and activities, receipts and payments, etc. kept by a Carmarthenshire farmer, possibly David Thomas (1756-1840), Llwynywermwd, Llanycrwys, son of Zechariah Thomas (1727-1816), Baptist minister.
Thomas, David, 1756-1840 Journal and accounts (1818-1836) possibly kept by, NLW MS 4560D