[Letter from I. H. Kempner to Raymond C. Yard, Inc., June 24, 1949], letter, June 24, 1949; (https://texashistory.unt.edu/ark:/67531/metapth1480131/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .