[Letter from I. H. Kempner to Millie and Julian Rauh, January 29, 1963], letter, January 29, 1963; (https://texashistory.unt.edu/ark:/67531/metapth1509047/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .