[Letter from I. H. Kempner to Mrs. David F. Weston, October 10, 1957], letter, October 10, 1957; (https://texashistory.unt.edu/ark:/67531/metapth1461621/m1/1/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .