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 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.

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.

This collection contains the personal and professional papers of Marjorie and Paul Colvin, members of the Socialist Workers Party and political activists who protested against the Vietnam war and other U.S. interventions during the 1960's and 1970's. It includes meeting notes, flyers, correspondence, and newspaper clippings related to the various organizations and movements they were involved with.

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.