This collection includes the personal and professional papers of Thomas F. Barton, an anti-war activist and socialist who organized soldiers against the Vietnam and Iraq wars. It includes newsletters, articles, correspondence, meeting minutes and agendas that document Barton’s involvement with various anti-war and socialist organizations, and the distribution, founding, and publishing of various anti-war newsletters.

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 collection contains the internal bulletin of the Revolutionary Marxist Committee and Revolutionary Marxist Papers, the organization's journal. It also contains a newsletter of the Revolutionary Marxist Organizing Committee.

This collection comprises the papers of Jim Hamilton, an active member of the Teamsters for a Democratic Union (TDU), Local 688 in St. Louis, Missouri, who held various administrative roles in the union and advocated for rank-and-file reform. It includes correspondence, convention reports and publications, flyers, newsletters, meeting notes, constitution proposals, newspaper articles, contracts, and color photographs.

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 correspondence, reports, draft resolutions, bulletins, minutes, plenum and convention documents, and subject files related to Socialist Action, a Trotskyist political organization.

This collection reflects the activities and political sentiments of the Democratic Socialist Organizing Committee, which began in 1973 and merged with the New American Movement in 1982 to form the Democratic Socialists of America. It comprises periodicals, pamphlets, and one Convention Journal from the Committee's Fifth National Convention, in addition to pamphlets published by the Democratic Socialists of America.

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).

This collection includes the personal and professional papers of Berta Green Langston, an active member of the Socialist Workers Party and Socialist Action who was involved in various protest movements during the 20th century. It includes newsletters, newspaper articles, miscellaneous writings, and correspondence with James Baldwin, Robert F. Williams, Albert Perry, Dave Dellinger, William Worthy, Pete Seeger, and Noam Chomsky, among others.