U.S. Department of Health, Education, and Welfare. El Primer Empleo de Juan [comic book]. Social Security Administration, 1958

U.S. Department of Health, Education, and Welfare. El Primer Empleo de Juan [comic book]. Social Security Administration, 1958, Box: 207, Folder: 1. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389969 Accessed September 27, 2026.