• 327 Wisconsin Historical Society Library
• 36 Verona Shelving Facility
• 23 Memorial Library
• 20 Temporary Relocation Library
• 9 WHS State Archives Preservation Facility
• 7 Wisconsin Historical Society Archives
• 2 Special Collections (Memorial Library)

• 385 Journals, Magazines, Newspapers
• 2 Books

• 47 Employees
• 47 Working class
• 37 Labor movement
• 28 Labor
• 14 Merchant mariners
• 12 Metal-workers
• 10 Automobile industry workers
• 9 Politics and government
• 9 Strikes and lockouts
• 8 Industrial relations
• 8 Iron and steel workers
• 8 Miners
• 8 Political activity
• 8 Telephone companies
• 7 Clerks (Retail trade)
• 7 Stevedores
• 7 Transport workers
• 6 Airlines
• 6 Food industry and trade
• 6 Socialism
• 5 Construction workers
• 5 Labor unions and communism
• 5 Lumbermen
• 5 Merchant marine

• 6 Industrial Workers of the World
• 4 Industrial Workers of the World. San Francisco Bay Area Branch
• 4 International Brotherhood of Pulp, Sulphite, and Paper Mill Workers
• 3 Congress of Industrial Organizations (U.S.). Political Action Committee
• 3 Industrial Workers of the World. Boston Branch
• 3 United Farm Equipment and Metal Workers of America
• 2 Allgemeiner Deutscher Gewerkschaftsbund
• 2 Brotherhood of Locomotive Firemen and Enginemen
• 2 Communications Workers of America
• 2 Congress of Industrial Organizations (U.S.)
• 2 Federation of Long Lines Telephone Workers
• 2 Industrial Workers of the World. General Defense Committee
• 2 Industrial Workers of the World. Tacoma-Olympia Branch
• 2 International Brotherhood of Paper Makers
• 2 International Furniture Workers' Union of America. Executive Committee
• 2 International Longshoremen's Association
• 2 International Longshoremen's and Warehousemen's Union. Local 10 (San Francisco, Calif.)
• 2 International Union of Mine, Mill, and Smelter Workers
• 2 International Union, United Automobile Workers of America (CIO). Local 248 (Milwaukee, Wis.)
• 2 Labor's League for Political Education
• 2 Landsorganisationen i Sverige
• 2 Midwest Labor Council
• 2 National Federation of Independent Unions
• 2 National Marine Engineers' Beneficial Association (U.S.). District 2
• 2 National Women's Trade Union League of America

• 354 English
• 14 French
• 14 German
• 8 Spanish
• 1 Czech
• 1 Danish
• 1 Russian
• 1 Swedish
• 1 Tagalog

• 128 United States
• 21 California
• 19 New York (State)
• 19 Wisconsin
• 17 Canada
• 11 Illinois
• 11 Michigan
• 10 New York
• 10 Ohio
• 9 France
• 9 Germany
• 9 Great Britain
• 7 Minnesota
• 7 New Jersey
• 7 Washington (State)
• 6 Massachusetts
• 6 Philippines
• 5 Missouri
• 5 Pennsylvania
• 5 West (U.S.)
• 4 Chicago
• 4 Pacific States
• 4 San Francisco Bay Area
• 4 Texas
• 3 Boston

• 23 periodicals
• 9 Newspapers
• 8 Periodical
• 1 By-laws
• 1 Constitution
• 1 Statistics

Limit year range