• 2 Wisconsin Historical Society Library

• 2 Labor unions
• 1 Aerospace industries
• 1 Communication and traffic
• 1 Machinists

• 1 Communications Workers of America. Local 5512 (Waukesha, Wis.)
• 1 International Association of Machinists and Aerospace Workers. Local 1377 (Waukesha, Wis.)

• 2 English

• 2 Periodicals

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