The Delta Courier (Cooper, Tex.), Vol. 59, No. 31, Ed. 1 Tuesday, July 30, 1940, newspaper, July 30, 1940; (https://texashistory.unt.edu/ark:/67531/metapth895488/m1/1/: accessed June 13, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .