Unión de Conductores, Maquineros, Garroteros y Fogoneros, 1928, 1937

Unión de Conductores, Maquineros, Garroteros y Fogoneros, 1928, 1937, Box: 2, Folder: 18. Federico Idar and Idar Family Papers, 163577294. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/449864 Accessed September 26, 2026.