Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 103, No. 52, Ed. 1 Thursday, September 7, 1978, newspaper, September 7, 1978; (https://texashistory.unt.edu/ark:/67531/metapth1330242/m1/3/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .