11. Carta abierta al Señor Ricardo Flores Magón (May 14, 1911), reprinted by la mesa directiva de la Sociedad Defensores de la Integridad Nacional, San Diego, CA, May 21, 1911

11. Carta abierta al Señor Ricardo Flores Magón (May 14, 1911), reprinted by la mesa directiva de la Sociedad Defensores de la Integridad Nacional, San Diego, CA, May 21, 1911, Box: 2. Genaro García Collection: Broadsides and Circulars, 29763288. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/485872 Accessed September 27, 2026.