Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 98, No. 4, Ed. 1 Thursday, October 12, 1972, newspaper, October 12, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1281278/m1/2/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .