Arispe y Acevedo, Baltazar. “The Geographic and Demographic Challenges To the Regional Institutionalization Of the Texas Lower Rio Grande Valley”. Norteamérica, Revista Académica del CISAN-UNAM 4, no. 02 (September 1, 2010). Accessed June 15, 2025. https://www.revistanorteamerica.unam.mx/index.php/nam/article/view/24.