Burdeaux: Juan Martinez Hernandez to S. D. Jacobo Sanchez Navarro at Mexico City: Exact duplicate of E477; both letters are in same handwriting; they were mailed on different dates and arrived by different routes, 1851, June 20:

Burdeaux: Juan Martinez Hernandez to S. D. Jacobo Sanchez Navarro at Mexico City: Exact duplicate of E477; both letters are in same handwriting; they were mailed on different dates and arrived by different routes, 1851, June 20:, Box: 1, Item: 2134. Sánchez Navarro Collection of Documents for a History of Texas and Coahuila, 30605850. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/303226 Accessed September 27, 2026.