Schanz, Ed. [Letter from Ed. Schanz to Daniel W. Kempner, April 17, 1944], letter, April 17, 1944; (https://texashistory.unt.edu/ark:/67531/metapth1329341/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .