[Letter from Harris L. Kempner to Marion J. Levy, Jr., March 7, 1955], letter, March 7, 1955; (https://texashistory.unt.edu/ark:/67531/metapth1413426/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .