The Optimist (Abilene, Tex.), Vol. 56, No. 7, Ed. 1, Friday, November 1, 1968, newspaper, November 1, 1968; (https://texashistory.unt.edu/ark:/67531/metapth99473/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .