[Letter from Harris L. Kempner to S. G. Carruth, August 16, 1965], letter, August 16, 1965; (https://texashistory.unt.edu/ark:/67531/metapth1425544/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .