National Agricultural Workers Union, AFL. "The Use of Mexican Contract Nationals and Its Effects on the Employment of Domestic Agricultural Workers in the Imperial Valley of California", 1953 August

National Agricultural Workers Union, AFL. "The Use of Mexican Contract Nationals and Its Effects on the Employment of Domestic Agricultural Workers in the Imperial Valley of California", 1953 August, Box: 186, Folder: 4. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389454 Accessed September 27, 2026.