[Inter-Office Letter from Robert Lee Kempner to H. Kempner (firm), November 29, 1944], letter, November 9, 1944; (https://texashistory.unt.edu/ark:/67531/metapth1462015/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .