Gallup Organization. "The Gallup Study of Attitudes Toward Illegal Aliens." Conducted for the Immigration and Naturalization Service, 1976 June

Gallup Organization. "The Gallup Study of Attitudes Toward Illegal Aliens." Conducted for the Immigration and Naturalization Service, 1976 June, Box: 172, Folder: 6. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389087 Accessed September 26, 2026.