The Clifton Record (Clifton, Tex.), Vol. 73, No. 19, Ed. 1 Thursday, June 1, 1967, newspaper, June 1, 1967; (https://texashistory.unt.edu/ark:/67531/metapth797723/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .