• 32 Wisconsin Historical Society Library
• 4 Memorial Library
• 3 Special Collections (Memorial Library)
• 3 Temporary Relocation Library
• 2 Verona Shelving Facility
• 1 WHS State Archives Preservation Facility

• 5 Microforms

• 14 Students
• 14 Working class
• 11 Youth
• 9 Radicalism
• 7 Communism
• 7 Socialism and youth
• 5 History
• 4 Autonomy and independence movements
• 4 College students
• 4 Underground press publications
• 3 College student newspapers and periodicals
• 3 Feminism
• 3 Gay liberation movement
• 3 Politics and government
• 3 Student movements
• 2 Anarchism
• 2 Anarchists
• 2 Labor movement
• 2 Little magazines
• 2 Social conflict
• 1 Allgemeyner Idisher arbeyṭerbund in Liṭa, Poylen un Rusland
• 1 Children's rights
• 1 Communist parties

• 3 Young People's Socialist League
• 2 Internationalist Workers Party (Fourth International)
• 2 Revolutionary Marxist Caucus (U.S.)
• 2 Student League for Industrial Democracy (U.S.)
• 2 Young People's Socialist League (Berkeley, Calif.)
• 1 American Socialist Sunday Schools and Young People's Federation
• 1 American Student Movement. Newark Unit
• 1 British and Irish Communist Organisation
• 1 Comité de Empleados y Obreros de Fábricas y Talleres
• 1 Comité de Obreros de Fábricas y Talleres
• 1 Committee of 100 (Great Britain)
• 1 Deutsche Kommunistische Partei
• 1 Edwards, Joseph, active 1895-1905
• 1 Federación Juvenil Libertaria (Santiago, Chile)
• 1 Grupo "Rebeldía" (Mexico City, Mexico)
• 1 Institut mezhdunarodnogo rabochego dvizhenii︠a︡ (Akademii︠a︡ nauk SSSR)
• 1 Institut sravnitelʹnoĭ politologii i problem rabochego dvizhenii︠a︡ (Rossiĭskai︠a︡ akademii︠a︡ nauk)
• 1 International Jewish Labor Bund
• 1 Jacobson, Julius
• 1 Jewish Students' Bund (New York, N.Y.)
• 1 League for Industrial Democracy
• 1 Libertarian Socialist Committee
• 1 Mass Party Organizing Committee. Women's Caucus
• 1 Massachusetts Institute of Technology
• 1 New York Student Federation Against War

• 39 English
• 7 Spanish
• 2 Russian
• 1 German
• 1 Italian

• 21 United States
• 5 Great Britain
• 4 New York (State)
• 3 California
• 3 Mexico
• 3 Northern Ireland
• 2 Berkeley
• 2 Grande-Bretagne
• 2 New York
• 2 Wisconsin
• 1 Argentina
• 1 Argentine
• 1 Cambridge
• 1 Chile
• 1 Foreign countries
• 1 Germany (West)
• 1 Illinois
• 1 Italy
• 1 Latin America
• 1 Massachusetts
• 1 Milwaukee
• 1 New Jersey
• 1 Newark
• 1 Pennsylvania
• 1 Philadelphia

Limit year range