[Letter from F. E. Bates to Isaac H. Kempner, November 21, 1958], letter, November 21, 1958; (https://texashistory.unt.edu/ark:/67531/metapth1514628/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .