The Optimist (Abilene, Tex.), Vol. 27, No. 31, Ed. 1, Friday, May 17, 1940, newspaper, May 17, 1940; (https://texashistory.unt.edu/ark:/67531/metapth91700/m1/1/: accessed April 20, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .