Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 86, No. 35, Ed. 1 Thursday, May 12, 1960, newspaper, May 12, 1960; (https://texashistory.unt.edu/ark:/67531/metapth1278241/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .