[Letter from John J. Herrera to Mike Rodriguez - 1964], letter, 1964; (https://texashistory.unt.edu/ark:/67531/metapth249231/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Letter from John J. Herrera to Mike Rodriguez - 1964], letter, 1964; (https://texashistory.unt.edu/ark:/67531/metapth249231/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .