Jaffe, Morris I. [Letter from Morris I. Jaffe to Mr. I. H. Kempner, January 18, 1957], letter, January 18, 1957; (https://texashistory.unt.edu/ark:/67531/metapth1491051/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .