Shmidt, Fred. "No national boundary in the world is like the one shared by the United States and Mexico...." N.p. [typescript], undated

Shmidt, Fred. "No national boundary in the world is like the one shared by the United States and Mexico...." N.p. [typescript], undated, Box: 199, 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/389803 Accessed September 27, 2026.