Mount Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 108, No. 34, Ed. 1 Thursday, April 21, 1983, newspaper, April 21, 1983; (https://texashistory.unt.edu/ark:/67531/metapth1296041/m1/11/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .