Bergman, Douglas E. [Letter from Douglas E. Bergman to Truett Latimer, June 22, 1953], letter, June 22, 1953; (https://texashistory.unt.edu/ark:/67531/metapth1186310/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .