Kempner, Isaac H. (Isaac Herbert), 1873-1967. [Letter from George Andre to I. H. Kempner, March 15, 1954], letter, March 15, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1133799/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .