[Letter from D. W. Kempner to Bill Carmichael, February 5, 1948], letter, February 5, 1948; (https://texashistory.unt.edu/ark:/67531/metapth1339763/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .