[Letter from W. J. Rodgers to H. Kempner, August 10, 1955], letter, August 10, 1955; (https://texashistory.unt.edu/ark:/67531/metapth1503423/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .