[Letter from H. L. Williams to I. H. Kempner, May 26, 1953], letter, May 26, 1953; (https://texashistory.unt.edu/ark:/67531/metapth1092788/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .