The Nocona News (Nocona, Tex.), Vol. 61, No. 46, Ed. 1 Thursday, April 20, 1967, newspaper, April 20, 1967; (https://texashistory.unt.edu/ark:/67531/metapth1209174/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .