Mount Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 112, No. 51, Ed. 1 Thursday, August 13, 1987, newspaper, August 13, 1987; (https://texashistory.unt.edu/ark:/67531/metapth1330417/m1/3/: accessed June 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .