So-Sp-Sq (Ss),, 1911-1946

So-Sp-Sq (Ss),, 1911-1946, Box: 239, Folder: 9. Saint John d'El Rey Mining Company Records, 1984-12. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/347397 Accessed September 27, 2026.