• 7 Wisconsin Historical Society Library
• 2 Wisconsin Historical Society Archives

• 9 Journals, Magazines, Newspapers

• 2 Evangelistic work
• 2 Germans
• 1 Anarchism
• 1 Crime
• 1 Cubans
• 1 German Americans
• 1 Hispanic Americans
• 1 Latin Americans
• 1 Latvian Americans
• 1 Latvians
• 1 New Left
• 1 Police
• 1 Protestant churches
• 1 Radicalism
• 1 Socialism
• 1 Sports
• 1 Swiss
• 1 Swiss Americans
• 1 Underground press publications

• 1 Communistischen Anarchisten deutscher Sprache
• 1 Martí, José, 1853-1895
• 1 Most, Johann Joseph, 1846-1906
• 1 Mueller, John E
• 1 North American Grütli Confederation
• 1 Socialist Labor Party
• 1 Socialistic Labor Party (U.S.)

• 4 English
• 3 German
• 1 Latvian
• 1 Spanish

• 9 New York
• 7 New York (N.Y.)
• 6 New York County (N.Y.)
• 5 New York County
• 1 Brooklyn
• 1 Brooklyn (New York, N.Y.)
• 1 Buffalo
• 1 Buffalo (N.Y.)
• 1 Canada
• 1 Chicago
• 1 Chicago (Ill.)
• 1 Erie County
• 1 Erie County (N.Y.)
• 1 Illinois
• 1 Kentucky
• 1 Kings County
• 1 Kings County (N.Y.)
• 1 Louisville
• 1 Louisville (Ky.)
• 1 Milwaukee
• 1 Milwaukee (Wis.)
• 1 New York (État)
• 1 Ohio

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