Casebolt, Floyd W. The Ennis Daily News (Ennis, Tex.), Vol. 76, No. 108, Ed. 1 Monday, May 6, 1968, newspaper, May 6, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1650190/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .