[Telegram from I. H. Kempner to F. Burton Fisher - June 27, 1957], letter, June 27, 1957; (https://texashistory.unt.edu/ark:/67531/metapth1514754/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .