• 2 Wisconsin Historical Society Library

• 2 Journals, Magazines, Newspapers

• 2 Labor unions
• 2 Telephone companies
• 1 Communications Workers of America. Sales Division 18
• 1 National Association of Telephone Equipment Workers (U.S.)

• 1 Communications Workers of America. Sales Division 18
• 1 National Association of Telephone Equipment Workers (U.S.)

• 2 English

• 1 periodicals

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