[Letter from D. W. Kempner to Ditta Attila Galletti, January 19, 1953], letter, January 19, 1953; (https://texashistory.unt.edu/ark:/67531/metapth1368668/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .