• 5 Memorial Library
• 5 Wisconsin Historical Society Library
• 2 Special Collections (Memorial Library)

• 5 Diplomatic and consular service, American
• 2 Underground press publications
• 1 Alfa Romeo (Firm : Milan, Italy)
• 1 Automobile industry and trade
• 1 Automobile industry workers
• 1 Communism
• 1 Fascism
• 1 History
• 1 Labor movement
• 1 Learned institutions and societies
• 1 Sources
• 1 Theater

• 5 United States. Consulate General (Milan, Italy)
• 2 Fry Collection of Italian History and Culture
• 1 Istituto lombardo di scienze e lettere
• 1 Istituto milanese per la storia della Resistenza e del movimento operaio
• 1 Longo, Luigi, 1900-1980
• 1 Piccolo teatro di Milano

• 8 English
• 6 Italian

• 8 Milan (Italy)
• 1 Rome
• 1 Rome (Italy)

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