[Letter from D. W. Kempner to S. D. Coleman, November 17, 1955], letter, November 17, 1955; (https://texashistory.unt.edu/ark:/67531/metapth1344981/m1/2/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .