[Letter from Thos. L. James to D. W. Kempner, April 1, 1952], letter, April 1, 1952; (https://texashistory.unt.edu/ark:/67531/metapth1031530/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .