• 4 Wisconsin Historical Society Library
• 1 Wisconsin Historical Society Archives

• 5 Journals, Magazines, Newspapers
• 2 Microforms

• 3 Labor unions
• 2 Labor movement
• 1 German Americans
• 1 Socialist Labor Party
• 1 Socialist Labor Party of Lawrence (Mass.)
• 1 Underground press publications

• 1 Socialist Labor Party of Lawrence (Mass.)

• 4 English
• 1 German

• 2 Suffolk County (Mass.)
• 1 Boston (Mass.)
• 1 Cambridge (Mass.)
• 1 Charlestown (Boston, Mass.)
• 1 Holyoke (Mass.)
• 1 Lawrence
• 1 Lawrence (Mass.)
• 1 Medford (Mass.)
• 1 Middlesex County (Mass.)
• 1 Somerville (Mass.)
• 1 Springfield
• 1 Springfield (Mass.)

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