• 116 Wisconsin Historical Society Library
• 1 Memorial Library
• 1 Social Science Reference Library
• 1 UW Archives
• 1 Verona Shelving Facility
• 1 Wisconsin Historical Society Archives

• 262 Journals, Magazines, Newspapers

• 203 Labor unions
• 49 Postal service
• 34 Railroads
• 23 Printing industry
• 20 Employees' magazines, newsletters, etc
• 16 Food industry and trade
• 14 Telephone companies
• 13 Metal-workers
• 11 Aerospace industries
• 11 Shipbuilding industry
• 9 Boiler-makers
• 9 Telecommunication
• 8 Machinists
• 7 Building trades
• 6 Communication and traffic
• 6 Hotels
• 6 Printers
• 5 Food service employees
• 5 Hat trade
• 5 Letter carriers
• 5 Local transit
• 4 Airlines
• 4 Automobile industry workers
• 4 Brass industry and trade

• 5 Brotherhood of Maintenance of Way Employees
• 4 International Brotherhood of Boiler Makers, Iron Ship Builders, and Helpers of America
• 4 Transportation Communications International Union
• 3 American Postal Workers Union
• 3 Brotherhood of Boiler Makers and Iron Ship Builders of America
• 3 Brotherhood of Railway, Airline, and Steamship Clerks, Freight Handlers, Express, and Station Employes
• 3 Communications Workers of America
• 3 International Association of Machinists and Aerospace Workers
• 3 International Brotherhood of Boilermakers, Iron Shipbuilders, Blacksmiths, Forgers, and Helpers
• 3 International Typographical Union
• 3 Miller Brewing Company
• 3 Railroad Yardmasters of North America
• 3 United Federation of Postal Clerks
• 3 United National Association of Post Office Clerks (U.S.)
• 2 Allen-Bradley Company
• 2 CUNA & Affiliates
• 2 Connecticut Union of Telephone Workers
• 2 Distillery, Rectifying, Wine and Allied Workers' International Union of America
• 2 General Telephone Company of Wisconsin
• 2 International Typographical Union. Local No. 13 (Boston, Mass.)
• 2 International Typographical Union. No. 6 (New York, N.Y.)
• 2 International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America. Public Review Board
• 2 International Woodworkers of America-Canada
• 2 Metal Polishers, Buffers, Platers, Brass Molders, and Brass and Silver Workers International Union of North America
• 2 Methodist Episcopal Church. Commission on Life Service

• 262 English
• 7 French
• 1 German
• 1 Italian
• 1 Russian
• 1 Yiddish

• 101 United States
• 39 Wisconsin
• 15 California
• 14 New York (State)
• 11 Canada
• 10 New York
• 9 Milwaukee
• 8 Ohio
• 8 Pennsylvania
• 7 Madison
• 5 Massachusetts
• 5 Missouri
• 4 Iowa
• 4 Michigan
• 3 Boston
• 3 Chicago
• 3 Connecticut
• 3 Florida
• 3 Illinois
• 3 Los Angeles
• 3 Pittsburgh
• 3 San Francisco
• 3 Washington (D.C.)
• 3 Washington (State)
• 2 British Columbia

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