Multiplication tables and tables of weights and measures written out by citizen F. U. de C. for the child Jacobo Sanchez Navarro in order that he learn to count, 1824:

Multiplication tables and tables of weights and measures written out by citizen F. U. de C. for the child Jacobo Sanchez Navarro in order that he learn to count, 1824:, Box: 1, Item: 3273. 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/301854 Accessed September 27, 2026.