[Letter from I. H. Kempner to Greta M. Zukar, April 27, 1951], letter, April 27, 1951; (https://texashistory.unt.edu/ark:/67531/metapth1486116/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .