The Optimist (Abilene, Tex.), Vol. 55, No. 14, Ed. 1, Friday, January 12, 1968, newspaper, January 12, 1968; (https://texashistory.unt.edu/ark:/67531/metapth99451/m1/1/: accessed May 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .