• 3 WHS State Archives Preservation Facility
• 1 Verona Shelving Facility

• 51 Labor unions
• 38 Working class
• 14 Socialism
• 7 Labor
• 6 Communism
• 4 Industrial Workers of the World. San Francisco Bay Area Branch
• 3 Industrial Workers of the World. Boston Branch
• 3 Industrial relations
• 3 Socialist Labor Party
• 2 Anarchism
• 2 Automobile industry workers
• 2 Employees
• 2 Industrial Workers of the World. Tacoma-Olympia Branch
• 2 International Union, United Automobile Workers of America (CIO). Region 6
• 2 Political activity
• 2 Socialist Party (U.S.)
• 2 Syndicalism
• 1 Aircraft industry
• 1 American Federation of Labor
• 1 Collective bargaining
• 1 Congress of Industrial Organizations (U.S.)
• 1 Germans
• 1 Industrial Workers of the World
• 1 International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America

• 4 Industrial Workers of the World. San Francisco Bay Area Branch
• 3 Galveston Labor Council
• 3 Industrial Workers of the World. Boston Branch
• 3 Tennessee Federation of Labor
• 2 American Federation of Labor
• 2 Industrial Workers of the World. Tacoma-Olympia Branch
• 2 Knoxville Central Labor Union (Knoxville, Tenn.)
• 2 Socialist Party (U.S.)
• 2 Texas State Federation of Labor
• 1 AFL-CIO
• 1 AFL-CIO. Department of Research
• 1 AFL-CIO. Tennessee State Labor Council
• 1 American Communications Association
• 1 American Federation of Labor. Committee for Industrial Organization
• 1 American Radio Telegraphists Association
• 1 Baltimore Federation of Labor
• 1 Canadian Federation of Labour. Vancouver Council
• 1 Canadian Labor Defense League
• 1 Central Labor Union of Indianapolis, Ind
• 1 Central Labor Union of Palm Beach County (Fla.)
• 1 Central Labor Union of Pittston (Pa.)
• 1 Central Organization of U.S. Marxist-Leninists. Chicago Branch
• 1 Central Organization of U.S. Marxist-Leninists. Chicago Student Movement
• 1 Chicago Federation of Labor and Industrial Union Council
• 1 Committee of 48 (U.S.)

• 89 English
• 3 German
• 2 Spanish
• 1 Unknown

• 37 United States
• 10 Illinois
• 7 California
• 7 Texas
• 6 Chicago
• 5 Massachusetts
• 5 New York (State)
• 5 Pennsylvania
• 5 États-Unis
• 4 Boston
• 4 Canada
• 4 Missouri
• 4 Ohio
• 4 San Francisco Bay Area
• 3 Chicago (Ill.)
• 3 New York (N.Y.)
• 3 Saint Louis (Mo.)
• 3 Tennessee
• 3 Wisconsin
• 2 Boston (Mass.)
• 2 Houston
• 2 Knoxville
• 2 Montana
• 2 New York
• 2 Ontario

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