Herrera, John J. [Letter from John J. Herrera to Raoul A. Cortez - 1949-08-24], letter, August 24, 1949; (https://texashistory.unt.edu/ark:/67531/metapth249967/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .