Espinoza, R.L. "Navarro's Challenge." N.p, undated

Espinoza, R.L. "Navarro's Challenge." N.p, undated, Box: 168, Folder: 7. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/388969 Accessed September 27, 2026.