Orange County Task Force on Medical Care for Illegal Aliens. "The Economic Impact of Undocumented Immigrants on Public Health Services in Orange County: A Study of Medical Costs, Tax Contributions, and Health Needs of Undocumented Immigrants", 1978 March

Orange County Task Force on Medical Care for Illegal Aliens. "The Economic Impact of Undocumented Immigrants on Public Health Services in Orange County: A Study of Medical Costs, Tax Contributions, and Health Needs of Undocumented Immigrants", 1978 March, Box: 189, Folder: 19. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389530 Accessed September 27, 2026.