Willis, John Todd, Jr. [Letter from John Todd Willis, Jr. to his Parents, May 18, 1943], letter, May 18, 1943; (https://texashistory.unt.edu/ark:/67531/metapth599795/m1/1/: accessed June 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .