The Ennis Daily News (Ennis, Tex.), Vol. 79, No. 95, Ed. 1 Thursday, April 22, 1971, newspaper, April 22, 1971; (https://texashistory.unt.edu/ark:/67531/metapth1689752/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .