• 3 Wisconsin Historical Society Archives
• 1 Memorial Library
• 1 UW Archives

• 5 Working class
• 4 Communism
• 3 Labor
• 2 German Americans
• 2 Germans
• 2 Italian Americans
• 2 Politics and government
• 2 Radicalism
• 2 Socialist Party (U.S.)
• 1 African Americans
• 1 Feminism
• 1 Free thought
• 1 Libraries
• 1 Party for Socialism and Liberation (U.S)
• 1 Political participation
• 1 Political parties
• 1 Socialism and youth
• 1 Socialist Party of St. Louis (Saint Louis, Mo.)
• 1 Working class Jews
• 1 World politics

• 4 Socialist Labor Party
• 3 Socialist Party (U.S.)
• 2 Industrial Workers of the World
• 2 Socialist Party (U.S.). National Convention
• 2 Socialist Workers Party
• 1 American Institute for Marxist Studies
• 1 American Labor Conference on International Affairs
• 1 Austin, Henry Willard, 1858-1912
• 1 Center for Democratic Alternatives
• 1 Co-operative Commonwealth Federation
• 1 Cobb, John Storer
• 1 Committee for Unified Newark
• 1 Congress of African Peoples
• 1 Fourth International. International Contact Commission
• 1 Freedom Socialist Party (U.S.)
• 1 International Workingmen's Association
• 1 Italian Socialist Federation (U.S.)
• 1 Jones, Larry
• 1 Labormilitant (Organization)
• 1 Nationalist Educational Association
• 1 New American Movement (Organization)
• 1 New Union Party (Minn.)
• 1 New Unionists (Organization : Minneapolis, Minn.)
• 1 Party for Socialism and Liberation (U.S)
• 1 Revolutionary Communist League (Marxist-Leninist-Mao Tse-tung Thought)

• 36 English
• 3 German
• 2 Spanish
• 1 French
• 1 Italian

• 20 United States
• 5 New York (N.Y.)
• 4 New York (State)
• 3 New York County (N.Y.)
• 2 Missouri
• 2 New York
• 1 Belleville (Ill.)
• 1 British Columbia
• 1 California
• 1 Canada
• 1 Chicago (Ill.)
• 1 Cincinnati
• 1 Cook County (Ill.)
• 1 Hawaii
• 1 King County (Wash.)
• 1 Milwaukee (Wis.)
• 1 Milwaukee County (Wis.)
• 1 Minneapolis
• 1 Minnesota
• 1 New Jersey
• 1 North America
• 1 Ohio
• 1 Saint Clair County (Ill.)
• 1 Seattle (Wash.)

Limit year range