Monclova. Petition of Ignacio de Costilla, 1744, February 29:

Monclova. Petition of Ignacio de Costilla, 1744, February 29:, Box: 1, Item: 3515. 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/300263 Accessed September 27, 2026.