Revolutionary Socialist League: Duplicated leaflets, discussion bulletins, etc, including some items from Militant Labour League, 1937-42.
Workers' International League: Duplicated leaflets, discussion bulletins, etc, especially on industrial, military and organisational matters, 1941-44; documents relating to Reconstitution Conference of RSL and Fusion Conference of RSL and WIL, 1943-44; Youth for Socialism, 1938-41; Socialist Appeal, 1941-49 (publication continued by RCP); Workers' International News, 1943-49 (publication continued by RCP).
Revolutionary Communist Party: Duplicated leaflets, discussion bulletins, etc, 1944-49; photographs and press cuttings, including information on RCP candidate in Neath by-election, 1945 (MSS.75/7/1); publicity leaflets of WIL and RCP; Party Organiser, 1946-48; papers of Left Fraction within RSL and RCP.
Socialist Review Group: National Committee minutes, 1950-53; Birmingham Branch minutes, 1950-53; correspondence between Ken Tarbuck and SRG members; Socialist Review, 1950-61 (incomplete series).
Press cuttings relating to apprentices' strike, 1944; youth papers, including Young Guard, 1940s-1960s; publications of other left-wing organisations, especially from North America, 1960s.