Ulrich, Gus D. [Inter-Office Letter from Gus D. Ulrich to D. W. Kempner, August 19, 1942], letter, August 19, 1942; (https://texashistory.unt.edu/ark:/67531/metapth1328601/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .