Sutton, A. [Letter from A. Sutton to H. Kempner Company, February 23, 1965], letter, February 23, 1965; (https://texashistory.unt.edu/ark:/67531/metapth1436655/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .