12th Convention: Mexico City, Mexico, 1970 August 2-8

12th Convention: Mexico City, Mexico, 1970 August 2-8, Box: 56. Alliance of Pan American Round Tables Records, 972738419. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/503578 Accessed September 26, 2026.