The Delta Courier (Cooper, Tex.), Vol. 58, No. 16, Ed. 1 Tuesday, April 18, 1939, newspaper, April 18, 1939; (https://texashistory.unt.edu/ark:/67531/metapth895523/m1/1/: accessed November 15, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .