Spanish origin persons percentage by counties in the U.S., circa 1971

Spanish origin persons percentage by counties in the U.S., circa 1971, Box: 62, Folder: 12. Joe J. Bernal Papers, 23665826. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/542806 Accessed September 25, 2026.