Francisco de Mattha. to Jph. Miguel Sanchez Navarro. Says he has had a hard time with mules and horses, 1786, July 19:

Francisco de Mattha. to Jph. Miguel Sanchez Navarro. Says he has had a hard time with mules and horses, 1786, July 19:, Box: 1, Item: 3049. 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/300644 Accessed September 27, 2026.