Bustamante, Jorge. Untitled typescript beginning "Although it is impossible to provide a systematic account of the determination of U.S. immigration policies..." N.p., undated

Bustamante, Jorge. Untitled typescript beginning "Although it is impossible to provide a systematic account of the determination of U.S. immigration policies..." N.p., undated, Box: 158, Folder: 10. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/388732 Accessed September 26, 2026.