Llyfr nodiadau yn cynnwys nodiadau ar lenyddiaeth y bedwaredd ganrif ar bymtheg ar gyfer dosbarth Y Foel, 1933-1934; nodiadau ar fywyd cymdeithasol Cymru yn y ddeunawfed ganrif, dosbarth tiwtorial Fourcrosses, 1965-1966, a maes llafur ar gyfer y cwrs 'Llenyddiaeth a bywyd cymdeithasol Cymru yn y ddeunawfed ganrif', 1967-1968; a maes llafur a rhestr lyfrau ar gyfer dosbarth Fourcrosses, 1966-1967.

Mae'r grŵp yn cynnwys papurau a gasglwyd gan Mathonwy Hughes tra'n aelod o ddosbarthiadau, ac yn ddarlithydd gyda Mudiad Addysg y Gweithwyr, [?1936]-1991.

Papers of the University Extension Board, 1919-1983; papers of the Board's executive committee, 1924-1988; and papers of ad hoc committees, sub-committees and working parties set up by the Board, 1965-1974.

The file consists of typescript copies of correspondence, 1899-1938. They include letters, 1899-1919, from Sir Henry Jones, Glasgow, to Sir Harry Reichel, discussing educational matters in Wales, notably the affairs of the University of Wales, adult education, and the Workers' Educational Association. They also include correspondence, 1937-1938, between Dr Thomas Jones and Abraham Flexner, discussing events in the United States and political life in Britain.

Many of the files in this series were used for Party education purposes, and many relate to a summer course or weekend school held by the Communist Party. They may include Communist Party education department material, central propaganda department material, arrangements for schools, lists of attendees, speakers' papers, pamphlets, education packs, books, newspaper cuttings, leaflets, and notes by Bert Pearce or his pupils.