Franco. de Mattha to Miguel Sanchez Navarro. Concerning certain account, 1784, February 20:

Franco. de Mattha to Miguel Sanchez Navarro. Concerning certain account, 1784, February 20:, Box: 1, Item: 2994. 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/300515 Accessed September 26, 2026.