[Letter from D. W. Kempner to T. L. James, July 1, 1954], letter, July 1, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1030428/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .