• 50 Wisconsin Historical Society Library
• 1 Chican@ and Latin@ Studies Library
• 1 Verona Shelving Facility

• 42 Microforms

• 12 Employees
• 7 Labor
• 4 Metal-workers
• 4 Telephone companies
• 3 Political activity
• 3 Postal service
• 3 United Farm Equipment and Metal Workers of America
• 2 American Federation of Labor
• 2 Construction workers
• 2 Federation of Long Lines Telephone Workers
• 2 Industrial relations
• 2 Labor laws and legislation
• 2 Labor movement
• 2 Merchant mariners
• 2 Petroleum workers
• 2 Railroads
• 2 Working class
• 1 Actors
• 1 Airlines
• 1 American Union of Telephone Workers
• 1 Automobile industry workers
• 1 Brick trade
• 1 Brickmakers
• 1 Building trades

• 3 United Farm Equipment and Metal Workers of America
• 2 Federation of Long Lines Telephone Workers
• 2 Labor's League for Political Education
• 1 AFL-CIO. Department of Economic Research
• 1 American Federation of Radio Artists
• 1 American Union of Telephone Workers
• 1 Brotherhood of Locomotive Firemen and Enginemen
• 1 Brotherhood of Railway Postal Clerks
• 1 Cannery Public Union of the Pacific
• 1 Chamber of Commerce of the United States of America. Department of Manufacture
• 1 Communications Workers of America
• 1 Confederated Unions of America
• 1 Congress of Industrial Organizations (U.S.). Political Action Committee
• 1 Detroit Council of Federated Building Trades
• 1 Detroit District Council of Brotherhood of Carpenters and Joiners
• 1 Federation of Dyers, Finishers, Printers and Bleachers of America
• 1 Flint Federation of Labor (Mich.)
• 1 Food, Tobacco, Agricultural, and Allied Workers Union of America
• 1 General Construction Workers' Industrial Union No. 310
• 1 Industrial Workers of the World
• 1 International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America. Joint Council No. 43 (Detroit, Mich.)
• 1 International Building Trades Council
• 1 International Jewelry Workers Union
• 1 International Organization of Masters, Mates, and Pilots
• 1 International Union, United Automobile, Aircraft, and Agricultural Implement Workers of America. Air Line Mechanics Department

• 51 English
• 1 German

• 52 United States
• 1 California
• 1 Flint
• 1 Michigan
• 1 Missouri
• 1 New York
• 1 New York (State)
• 1 New York (État)
• 1 Saint Louis (Mo.)

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