• 5 WHS State Archives Preservation Facility
• 1 Wisconsin Historical Society Archives

• 8 Microforms

• 10 Employees
• 9 Working class
• 6 Labor movement
• 4 Electric industry workers
• 3 Food industry and trade
• 3 Industrial Workers of the World. Boston Branch
• 3 Printers
• 3 Printing industry
• 2 Hotels
• 2 International Typographical Union. Local No. 13 (Boston, Mass.)
• 2 Massachusetts Federation of Labor
• 2 Packing-house workers
• 2 Restaurants
• 1 Butchers
• 1 Clerks (Retail trade)
• 1 Communication and traffic
• 1 Education
• 1 Electricians
• 1 Government employee unions
• 1 Hospitals
• 1 International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America. Local 25 (Boston, Mass.)
• 1 International Typographical Union. Local No. 13, Boston, Mass
• 1 Iron and steel workers
• 1 Labor

• 3 Industrial Workers of the World. Boston Branch
• 2 Foster, Frank K. (Frank Keyes), 1854-1909
• 2 International Typographical Union. Local No. 13 (Boston, Mass.)
• 2 International Union of Electrical, Radio and Machine Workers. Local 201 (Lynn, Mass.)
• 2 International Union of Electrical, Radio and Machine Workers. Local 255 (Pittsfield, Mass.)
• 2 Massachusetts Federation of Labor
• 2 Massachusetts. Department of Labor and Industries
• 2 United Food and Commercial Workers International Union. Local 1459 (Springfield, Mass.)
• 1 AFL-CIO. Massachusetts State Labor Council
• 1 Amalgamated Meat Cutters and Butcher Workmen of North America. District Union Local 2 (Braintree, Mass.)
• 1 Communications Workers of America. Local 1365 (North Andover, Mass.)
• 1 Hotel Employees & Restaurant Employees International Union. Local 26
• 1 Hotel, Restaurant, Institutional Employees, & Bartenders Union, Local 26
• 1 International Brotherhood of Electrical Workers. Local 1505 (Waltham, Mass.)
• 1 International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America. Local 25 (Boston, Mass.)
• 1 International Typographical Union. Local No. 13, Boston, Mass
• 1 International Union of Electrical, Salaried, Machine and Furniture Workers. Local 255 (Pittsfield, Mass.)
• 1 Massachusetts State CIO Industrial Union Council
• 1 Massachusetts Trade Union Educational League
• 1 Massachusetts. Department of Labor and Industries. Division of Statistics
• 1 One Big Union. Lawrence General Workers' Unit (Mass.). Press Committee
• 1 Retail Clerks International Union. Local 1459 (Springfield, Mass.)
• 1 Service Employees International Union. Local 509
• 1 Socialist Labor Party of Lawrence (Mass.)
• 1 Socialist Labor Party of Worcester (Mass.)

• 1 Spanish

• 11 Boston
• 3 Springfield
• 3 United States
• 3 Worcester
• 2 Lawrence
• 2 Lawrence (Mass.)
• 2 Lynn
• 2 Pittsfield
• 2 Worcester (Mass.)
• 1 Cambridge (Mass.)
• 1 Charlestown (Boston, Mass.)
• 1 Connecticut
• 1 Fichburg
• 1 Fitchburg
• 1 Medford (Mass.)
• 1 Middlesex County (Mass.)
• 1 New York (State)
• 1 North Andover
• 1 Somerville (Mass.)
• 1 Springfield (Mass.)
• 1 Suffolk County (Mass.)
• 1 Vermont
• 1 Waltham
• 1 Woburn

• 37 Periodicals
• 5 Newspapers
• 2 Congresses
• 2 Directories

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