142. Letter from Roberto Rio Ugartechea of Cuidad Juárez,Mexico, May 3, 1965

142. Letter from Roberto Rio Ugartechea of Cuidad Juárez,Mexico, May 3, 1965, Box: 1. League of United Latin American Citizens (LULAC) Archives Part 2: General Collections, 1984-29. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/355280 Accessed September 27, 2026.