Wilkerson, J. C. The Comanche Chief (Comanche, Tex.), Vol. 98, No. 13, Ed. 1 Friday, September 11, 1970, newspaper, September 11, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1039316/m1/1/: accessed May 25, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .