Files of notes, transcripts and indexes of various Welsh genealogical manuscripts, as part of Dr Bartrum's genealogical research. Also the manuscript to the first ten volumes of his 'Welsh genealogies 1400-1500 AD' (1983).
Letters to Harri Webb from prominent Anglo-Welsh writers expressing support for the Welsh Rule at the National Eisteddfod. Welsh, English. Between boards. Donated by Harri Webb, Merthyr Tydfil, December 1967.
A file of correspondence, etc of Bill Meilen of Caerphilly in his capacity of organising secretary to the Cardiff Committee for Aid to Aberfan. English. Between boards. Donated by Bill Meilen, Caerphilly, March 1967.
Account of tai-unnos of Y Garneddwen written by Morris Edwards, and MSS of Evan Roberts, Llandderfel. Translated by Gwynli Thomas. Welsh, English. Between boards. Donated by J. H. Lloyd ('Peryddon'), Bala, May 1967.
Poems of John Thomas Jones ('Eiddil Cynon'), and also poems submitted for competition at various eisteddfodau. Welsh, English. Between boards. Donated by Miss Susan M. Jones, Welwyn Garden City, October 1966.
A commonplace book of Henry Rees, Tai Mawr, Lisvane containing genealogical memoranda relating to the Rees family and accounts of poor and church rates. English. 1/2 leather. Donated by Mrs M. O. David, Cardiff, September 1966.
Rent book of the Harlech Scottish Baptist Chapel; and an account book of John Roberts, Bryndeunydd Isa. (Formerly J. D. Davies MS.) English. Between boards. Donated by Miss Megan Davies, Blaenau Ffestiniog, October 1950.