Watkins, W. D. [Letter from W. D. Watkins to Truett Latimer, April 19, 1955], letter, April 19, 1955; (https://texashistory.unt.edu/ark:/67531/metapth1264462/m1/1/: accessed June 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .