Sources and links: (incomplete list)

Barkan, Elliott Robert. And Still They Come: Immigrants and American Society, 1920 to the 1990s. (Wheeling: Harlan Davidson, 1996).

Bodnar, John. The Transplanted: A History of Immigrants in Urban America. (Bloomington: Indiana University Press, 1985).

Solberg, Carl. Immigration and Nationalism: Argentina and Chile, 1890-1914. (Austin: University of Texas Press, 1970).