Herrera, John J. [Letter from John J. Herrera to Abel Cisneros - 1950-10-16], letter, October 16, 1950; (https://texashistory.unt.edu/ark:/67531/metapth250105/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .