4. Manifiesto de la Junta Directiva Provisional del Partido Constitucional Progresista al C. Francisco I. Madero, , undated

4. Manifiesto de la Junta Directiva Provisional del Partido Constitucional Progresista al C. Francisco I. Madero, , undated, Box: 3. 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/486035 Accessed September 25, 2026.