Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 104, No. 18, Ed. 1 Thursday, January 11, 1979, newspaper, January 11, 1979; (https://texashistory.unt.edu/ark:/67531/metapth1330315/m1/9/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .