Kempner, Harris Leon. [Letter from Harris Leon Kempner to Thomas L. James, May 1, 1962], letter, May 1, 1962; (https://texashistory.unt.edu/ark:/67531/metapth1407879/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .