[Letter from Harris L. Kempner to Messrs. Murphy & Nye, April 30, 1946], letter, April 30, 1946; (https://texashistory.unt.edu/ark:/67531/metapth1408482/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .