This collection contains two boxes of publications related to Militant Labour and Socialist Party issues in the later half of the twentieth century. The majority of the publications are based on issues in the labor movement in England and are published in England or Wales.

The collection comprises the papers of Nat and Sylvia Weinstein, members of the Socialist Workers Party and founding members of Socialist Action, as well as labor and women's rights activists. It includes reports, resolutions, article drafts, minutes, convention and plenum notebooks and reports, correspondence, speeches, statements, flyers, bulletins, announcements, pamphlets, and newspaper clippings.

The collection contains the papers of Meryl and Manny Sunshine, socialist activists who were members of the Freedom Socialist Party, Radical Women, the Committee for a Revolutionary Socialist Party, the Peace and Freedom Party, and other organizations. It includes subject files, convention and conference materials, leaflets, photographs, bulletins, reports, memoranda, press releases, minutes, publications, election materials, and draft proposals.

The Rod Holt subject file collection, 1959-1997, bulk 1987-1998, contains files on various political and scientific subjects that were created and maintained by Rod Holt, who was Apple employee #5 as well as a socialist, political activist, and the founder of the Holt Labor Library in San Francisco, California. It contains newspaper clippings and photocopies, correspondence, notes, flyers, leaflets, notices, one audiocassette, one floppy disk, and other materials.

The collection comprises bulletins, convention and forum constitutions, programs, and leaflets, correspondence, reports, flyers, and subject files relating to the Socialist Workers Party (SWP), which was founded in 1928 by James P. Cannon.

The collection contains Internal Discussion Bulletins and Pre-Conference Discussion Bulletins published by Revolutionary Communist Youth (RCY), and Internal Discussion Bulletins and one Young Communist League Bulletin published by the Spartacus Youth League (SYL). Both organizations served as the national youth group for the Spartacist League of the U.S., a Trotskyist political organization, from 1971-1986.

The collection comprises the papers of Asher Harer, a member of the Socialist Workers Party and Socialist Action, as well as a trade unionist and anti-Vietnam War activist. It includes correspondence, photographs, reports, resolutions, minutes, notes, study guides, flyers, newsletters, leaflets, newspapers and newspaper clippings, and scrapbooks.

This collection contains pamphlets, manuscripts, correspondence, and ephemera related to labor movements and issues, Anarchism, Communism, Marxism, Socialism, Trotskyism, civil rights, anti-war and peace movements, the Soviet Union and the Russian Revolution, and related subjects in the arts, sciences, religion, sports, economics, education, and government.

This collection contains bulletins, pamphlets, articles, and one conference transcript that reflect the theoretical sentiments and organizational activities of the Spartacist League of the U.S. The League was officially formed in 1966 by expelled members of the Revolutionary Tendency within the Socialist Workers Party. It is the United States section of the International Communist League (Fourth International).