[Letter from R. Lee Kempner to Galdys Kempner, February 4, 1963], letter, February 4, 1963; (https://texashistory.unt.edu/ark:/67531/metapth1412343/m1/4/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .