Gildersleeve, Charles R. "The Status of Mexico-United States Border Studies in Geography." For the Rocky Mountain Social Science Meeting, El Paso, 1974 April 25-27

Gildersleeve, Charles R. "The Status of Mexico-United States Border Studies in Geography." For the Rocky Mountain Social Science Meeting, El Paso, 1974 April 25-27, Box: 172, Folder: 18. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389101 Accessed September 27, 2026.