The Ennis Daily News (Ennis, Tex.), Vol. 75, No. 297, Ed. 1 Wednesday, December 20, 1967, newspaper, December 20, 1967; (https://texashistory.unt.edu/ark:/67531/metapth1535761/m1/6/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .