• 2 Wisconsin Historical Society Library
• 1 Wisconsin Historical Society Archives

• 4 Journals, Magazines, Newspapers
• 1 Microforms

• 1 African Americans
• 1 Hispanic Americans
• 1 Labor unions
• 1 Puerto Ricans
• 1 Social conditions
• 1 Underground press publications

• 1 Comité--Movimiento de Izquierda Nacional Puertorriqueño
• 1 Labor Press Association
• 1 National Reform Association (U.S. : 1844- )

• 1 Spanish

• 2 New York
• 2 New York (N.Y.)
• 2 New York County (N.Y.)
• 1 Long Island
• 1 Long Island (N.Y.)
• 1 Nassau County (N.Y.)
• 1 Puerto Rico
• 1 Westbury (N.Y.)

• 1 Alternative publications
• 1 Protest literature

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