Iorizzo, Luciano. «Italian Migration and the Impact of the Padrone System». Ph.D. diss., Syracuse University, 1966.
Levine, Jerald. «Police, Parties, and Policy: The Bureaucratization, Unionization, and Professionalization of the New York City Police, 1870–1917». Ph.D. diss., University of Wisconsin, 1971.
Scarpaci, Jean Ann. «Italian Immigrants in Louisiana’s Sugar Parishes: Recruitment, Labor Conditions and Community Relations, 1880–1910». Ph.D. diss., Rutgers University, 1973.
Газеты и периодические издания
(место издания – г. Нью-Йорк, если не указано другое)
American
Atlanta Constitution
Brooklyn Daily Eagle
Brooklyn Daily Standard Union
Canton Commercial Advertiser (Кантон, штат Нью-Йорк)
Chicago Tribune
Collier’s Weekly
Commercial Advertiser
Daily News
Daily Picayune (Новый Орлеан)
Daily States (Новый Орлеан)
Evening Journal
Evening Star (Вашингтон, округ Колумбия)
Evening World
Flynn’s Weekly