Manuscripts and documents collected by and created by John Roberts Hughes, 1727-1961, including, papers relating to the Quakers, including transcribed extracts from records, collected volumes and items of Quaker interest, and notes on the Quakers by J. R. Hughes; various papers collected and written by J. R. Hughes relating to folk-lore and local histories; notes for addresses and lectures; papers and documents created by others, acquired or purchased by J. R. Hughes; deeds relating mainly to Glamorgan and Monmouthshire, and other miscellaneous deeds; together with personal memoranda by J. R. Hughes and family papers.

Notes and extracts relating to the Quaker movement in Wales, also to valentines, Welsh surnames and notable Welshmen abroad.

Drafftiau o anerchiadau a darlithiau amrywiol gan Marion Eames, [1970]-[2007], yn sôn am ei nofelau a'i bywyd, ac yn trafod pynciau megis hanes y Crynwyr yng Nghymru. = Drafts of various speeches and lectures by Marion Eames, [1970]-[2007], discussing her life, her writing and topics such as the history of the Quakers in Wales.

Llyfrau nodiadau, [1961]-[1969], yn cynnwys gwaith ymchwil Marion Eames ar hanes y Crynwyr yng Nghymru ac ym Mhennsylfania ar gyfer y nofelau Y Stafell Ddirgel ac Y Rhandir Mwyn. = Notebooks, [1961]-[1969], containing research conducted by Marion Eames into the history of the Quakers in Wales and Pennsylvania in preparation for writing the novels Y Stafell Ddirgel and Y Rhandir Mwyn.