Harriss, Robert M. [Letter from Robert M. Harriss to Mr. I. H. Kempner, October 5, 1951], letter, October 5, 1951; (https://texashistory.unt.edu/ark:/67531/metapth1480529/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .