Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 106, No. 5, Ed. 1 Thursday, October 2, 1980, newspaper, October 2, 1980; (https://texashistory.unt.edu/ark:/67531/metapth1336100/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .