The Delta Courier (Cooper, Tex.), Vol. 56, No. 18, Ed. 1 Tuesday, May 4, 1937, newspaper, May 4, 1937; (https://texashistory.unt.edu/ark:/67531/metapth984240/m1/1/: accessed May 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .