Correspondence (2 photographs; see also oversized), 1937

Correspondence (2 photographs; see also oversized), 1937, Box: 2, Folder: 12-13. El Potosí Mining Company Records, 33399703. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/263498 Accessed September 25, 2026.