Willis, John Todd, Jr. [Letter from John Todd Willis, Jr. to John T. Willis, Sr., October 7, 1943], letter, October 7, 1943; (https://texashistory.unt.edu/ark:/67531/metapth599587/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .