Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 97, No. 16, Ed. 1 Thursday, January 6, 1972, newspaper, January 6, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1281400/m1/1/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .