Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 99, No. 2, Ed. 1 Thursday, September 27, 1973, newspaper, September 27, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1278073/m1/1/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .