Willis, John Todd, Jr. [Letter from John Todd Willis, Jr. to his Parents, September 11, 1944], letter, September 11, 1944; (https://texashistory.unt.edu/ark:/67531/metapth599562/m1/1/: accessed April 8, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .