[Letter from F. H. Stelzer to George J. Beto, August 5, 1947], letter, August 5, 1947; (https://texashistory.unt.edu/ark:/67531/metapth591437/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .