The Comanche Chief (Comanche, Tex.), Vol. 94, No. 48, Ed. 1 Friday, May 19, 1967, newspaper, May 19, 1967; (https://texashistory.unt.edu/ark:/67531/metapth891754/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .