Valencia, Nestor A. "Urbanization in the Ciudad Juarez-El Paso Region." Presented at the Conference on Urbanization in the United States-Mexico Border Region, Inter-American Institute, 1968 June 14-15

Valencia, Nestor A. "Urbanization in the Ciudad Juarez-El Paso Region." Presented at the Conference on Urbanization in the United States-Mexico Border Region, Inter-American Institute, 1968 June 14-15, Box: 211, Folder: 5. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/390033 Accessed September 26, 2026.