• 3 Wisconsin Historical Society Library
• 2 WHS State Archives Preservation Facility
• 1 Wisconsin Historical Society Archives

• 3 Journals, Magazines, Newspapers

• 2 Labor
• 2 Working class
• 1 Hispanic Americans
• 1 Underground press publications

• 2 Progressive Labor Party
• 1 League of Revolutionary Struggle (M-L)
• 1 Progressive Labor Movement (Brooklyn, New York, N.Y.)

• 2 English

• 1 New York (N.Y.)
• 1 New York County (N.Y.)

• 1 Periodicals

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