Peer review of Silvio Zavala manuscript, Pan American Union, undated

Peer review of Silvio Zavala manuscript, Pan American Union, undated, Box: 82, Folder: 7. Carlos E. Castañeda Papers, 23587615. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/357491 Accessed September 25, 2026.