Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 101, No. 9, Ed. 1 Thursday, November 13, 1975, newspaper, November 13, 1975; (https://texashistory.unt.edu/ark:/67531/metapth1268219/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .