Handbook on Agencies and Organizations Concerned with Care, Education, Training, and Treatment of Handicapped and Crippled Children. Austin: Texas State Department of Health, undated

Handbook on Agencies and Organizations Concerned with Care, Education, Training, and Treatment of Handicapped and Crippled Children. Austin: Texas State Department of Health, undated, Box: 83. George I. Sánchez Papers, 23866736. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/541558 Accessed September 27, 2026.