[Letter from Jeane B. Kempner to Mr. R. Zucchi, April 27, 1959], letter, April 27, 1959; (https://texashistory.unt.edu/ark:/67531/metapth1399436/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .