Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 97, No. 9, Ed. 1 Thursday, November 18, 1971, newspaper, November 18, 1971; (https://texashistory.unt.edu/ark:/67531/metapth1281425/m1/1/: accessed June 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .