Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 89, No. 32, Ed. 1 Thursday, May 2, 1963, newspaper, May 2, 1963; (https://texashistory.unt.edu/ark:/67531/metapth1278133/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .