National Education Association Department of Rural Education. "The Invisible Minority: Report of the NEA-Tuscon Survey On the Teaching of Spanish to the Spanish-Speaking." Washington DC, 1966

National Education Association Department of Rural Education. "The Invisible Minority: Report of the NEA-Tuscon Survey On the Teaching of Spanish to the Spanish-Speaking." Washington DC, 1966, Box: 187, Folder: 8. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389476 Accessed September 27, 2026.