Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 103, No. 23, Ed. 1 Thursday, February 16, 1978, newspaper, February 16, 1978; (https://texashistory.unt.edu/ark:/67531/metapth1330213/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .