Kempner, Isaac H. (Isaac Herbert), 1873-1967. [Letter from I. H. Kempner to Bissinger's, February 25, 1952], letter, February 25, 1952; (https://texashistory.unt.edu/ark:/67531/metapth1456842/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .