• 2 Memorial Library
• 1 Wisconsin Historical Society Library

• 3 Journals, Magazines, Newspapers

• 3 Politics and government
• 1 Economic conditions
• 1 Mexican Americans
• 1 Social conditions

• 1 Centro de Estudios para el Desarrollo y la Participación
• 1 Ediciones Socialismo y Participación
• 1 Internationalist Workers Party (Fourth International)
• 1 Workers' International League

• 3 Spanish

• 2 Latin America
• 2 Peru
• 1 United States

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