Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 101, No. 37, Ed. 1 Thursday, May 27, 1976, newspaper, May 27, 1976; (https://texashistory.unt.edu/ark:/67531/metapth1281423/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .