Mehan, Ray I. [Letter from Ray I. Mehan to I. H. Kempner, August 28, 1944], letter, August 28, 1944; (https://texashistory.unt.edu/ark:/67531/metapth1451999/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .