• 31 Wisconsin Historical Society Library
• 11 WHS State Archives Preservation Facility
• 1 Verona Shelving Facility
• 1 Wisconsin Historical Society Archives

• 42 Journals, Magazines, Newspapers
• 4 Microforms

• 31 Labor unions
• 8 Railroads
• 7 Postal service
• 6 Food industry and trade
• 4 United Food and Commercial Workers International Union
• 3 Building trades
• 3 Construction industry
• 3 Telecommunication
• 2 Aerospace industries
• 2 Canadian Union of Postal Workers
• 2 Electric industry workers
• 2 Fire fighters
• 2 Food service
• 2 International Association of Machinists and Aerospace Workers
• 2 International Union of Mine, Mill, and Smelter Workers
• 2 International Union, Security, Police, and Fire Professionals of America
• 2 Machinists
• 2 Mechanics (Persons)
• 2 Mineral industries
• 2 Miners
• 2 Police
• 2 Printing industry
• 2 Private security services
• 2 Salaries, etc

• 5 Canadian Union of Postal Workers
• 4 United Food and Commercial Workers International Union
• 3 Rail Canada Traffic Controllers
• 2 Canadian Association of Women in Construction
• 2 Food and Service Workers of Canada
• 2 International Association of Machinists and Aerospace Workers
• 2 International Union of Mine, Mill, and Smelter Workers
• 2 International Union, Security, Police, and Fire Professionals of America
• 1 Alliance of Canadian Cinema, Television and Radio Artists
• 1 Association of Canadian Television and Radio Artists
• 1 Association of Postal Officials of Canada
• 1 Brotherhood of Express Employees of Canada
• 1 Canada. Dominion Bureau of Statistics. Transportation Section
• 1 Canada. Dominion Bureau of Statistics. Transportation and Public Utilities Division
• 1 Canada. Parliament. House of Commons. Sub-Committee on the Canadian National Railways' Pension System
• 1 Canadian Telephone Employees' Association
• 1 Communications Workers of Canada
• 1 Communications and Electrical Workers of Canada
• 1 Communications, Electronic, Electrical, Technical and Salaried Workers of Canada
• 1 Communications, Energy and Paperworkers Union of Canada
• 1 IWA Council of the United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union
• 1 IWA Council of the United Steelworkers of America
• 1 International Alliance of Theatrical Stage Employees and Moving Picture Machine Operators of the United States and Canada
• 1 International Harvester Company of Canada
• 1 International Non-operating Railway Unions in Canada

• 13 French
• 2 Spanish

• 12 United States
• 2 West (U.S.)

• 2 Statistics
• 1 Geographic information systems
• 1 Pictorial works
• 1 Serial publications

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