Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 99, No. 48, Ed. 1 Thursday, August 8, 1974, newspaper, August 8, 1974; (https://texashistory.unt.edu/ark:/67531/metapth1278175/m1/2/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .