[Letter from Daniel W. Kempner to W. L. Gatz, January 16, 1953], letter, January 16, 1953; (https://texashistory.unt.edu/ark:/67531/metapth1344735/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .