• 41 Wisconsin Historical Society Library
• 9 Memorial Library
• 4 Wisconsin Historical Society Archives
• 2 Special Collections (Memorial Library)
• 1 UW Archives

• 1 Microforms

• 13 Communism
• 12 Working class
• 8 Labor movement
• 6 Labor
• 5 Politics and government
• 4 World politics
• 3 Italian Americans
• 3 Labor unions
• 3 Radicalism
• 2 German Americans
• 2 Germans
• 2 Socialist Party (U.S.)
• 2 Socialists
• 2 Societies, etc
• 1 African Americans
• 1 American Nationalist Union
• 1 Archival resources
• 1 Bibliography
• 1 Campaign literature
• 1 Canadian periodicals (English)
• 1 Communism and science
• 1 Conservatism
• 1 De Leon, Daniel, 1852-1914
• 1 Democratic Socialists of America. Reading/Berks Chapter

• 5 Socialist Labor Party
• 3 Social-Democratic Party of America
• 3 Socialist Party (U.S.)
• 3 Socialist Workers Party
• 2 American Labor Conference on International Affairs
• 2 Industrial Workers of the World
• 2 Institute for Democratic Socialism (U.S.)
• 2 Marxist Workers' Party
• 2 Socialist Party (U.S.). National Convention
• 2 Socialist Party of the United States of America
• 1 American Institute for Marxist Studies
• 1 American Nationalist Union
• 1 Austin, Henry Willard, 1858-1912
• 1 Bachur, Ivan
• 1 Brown, David (Co-author of Featherstars of the seas around Brunei Darussalam)
• 1 Center for Democratic Alternatives
• 1 Center for Social Research & Education (San Francisco, Calif.)
• 1 Centro storico uomini rappresentativi del socialismo
• 1 Co-operative Commonwealth Federation
• 1 Cobb, John Storer
• 1 Committee for Unified Newark
• 1 Communist Party (Marxist-Leninist : U.S.)
• 1 Congress of African Peoples
• 1 Democratic Socialist Organizing Committee (U.S.). Berks County
• 1 Democratic Socialists of America. Chicago Local

• 93 English
• 5 Spanish
• 4 French
• 4 German
• 3 Italian
• 1 Croatian
• 1 Latvian
• 1 Russian

• 40 United States
• 6 New York (N.Y.)
• 4 Canada
• 4 New York (State)
• 4 Pennsylvania
• 3 Missouri
• 3 New York County (N.Y.)
• 2 California
• 2 Chicago
• 2 Chicago (Ill.)
• 2 Cook County (Ill.)
• 2 Illinois
• 2 Minnesota
• 2 New York
• 2 Ohio
• 1 Belleville (Ill.)
• 1 Berkeley
• 1 Berks County
• 1 British Columbia
• 1 Cincinnati
• 1 Cleveland
• 1 Cleveland (Ohio)
• 1 Cook County
• 1 Cuyahoga County
• 1 Cuyahoga County (Ohio)

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