Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 86, No. 38, Ed. 1 Thursday, June 2, 1960, newspaper, June 2, 1960; (https://texashistory.unt.edu/ark:/67531/metapth1277810/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .