Herrera, John J. [Letter from John J. Herrera to Lyndon B. Johnson - 1954-10-08], letter, October 8, 1954; (https://texashistory.unt.edu/ark:/67531/metapth249520/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .