Castillo, Leonel J. "Testimony Before the House Select Committee on Population.", 1978 April 06

Castillo, Leonel J. "Testimony Before the House Select Committee on Population.", 1978 April 06, Box: 161, Folder: 3. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/388795 Accessed September 27, 2026.