The Winkler County News (Kermit, Tex.), Vol. 32, No. 9, Ed. 1 Thursday, April 18, 1968, newspaper, April 18, 1968; (https://texashistory.unt.edu/ark:/67531/metapth905331/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .