Al Richardson and Jim Higgins papers
Alan Clinton papers
Alger Hiss collection
Alger Hiss defense collection
American radicalism collection
Anna Strunsky Walling papers
Anti-socialist organisations in Britain, anti-socialist journals
Archives of the Independent Labour Party
Balazs Nagy papers
Baruch Hirson papers
British Home Office Defence Regulation 18B Advisory Committee papers regarding the detainment of Oswald Mosley, leader of the British Union of Fascists
British Home Office registered papers regarding British fascists and suspected Nazi sympathisers
British Security Service personal files. Subseries on right wing-extremists, communists and suspected communists, and Soviet and other communist front organisations
Chile and Bolivia : political pamphlets
FBI American Legion Contact Program
FBI file on J. Robert Oppenheimer
Fascist and anti-fascist booklets
Hall-Hoag collection of dissenting and extremist printed propaganda
Leaflets, stickers, posters, electoral ephemera from fascist and anti-fascist groups
Papers of Walter Lippmann
Pelling collection
Radical left political movements and social issues : American old left
Radical periodicals
Rose Pastor Stokes papers
Searchlight magazine
Searchlight oral histories collection
Socialist and labour thought in Britain since 1884
Stephen Graham collections
Will Fancy papers
Workers' Party of South Africa.