First Congress of Historians of Mexico and the U.S., 1949

First Congress of Historians of Mexico and the U.S., 1949, Box: 83, Folder: 14. Carlos E. Castañeda Papers, 23587615. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/357508 Accessed September 26, 2026.