Kempner, Harris Leon. [Letter from Harris Leon Kempner to Shrub, November 12th, 1959], letter, November 12, 1959; (https://texashistory.unt.edu/ark:/67531/metapth1420441/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .