including with Espiridión Ledesma and while Prieto served as Director general de las Obras de Saneamiento de la Ciudad de Tampico, January-April 1903

including with Espiridión Ledesma and while Prieto served as Director general de las Obras de Saneamiento de la Ciudad de Tampico, January-April 1903, Box: 4, Folder: 17. Alejandro Prieto Papers, 33383573. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/472508 Accessed September 25, 2026.