Rooker, Travis E. [Letter from Travis to Ms. Ketchum, December 7, 1945], letter, December 7, 1945; (https://texashistory.unt.edu/ark:/67531/metapth977612/m1/1/: accessed April 1, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .