The Optimist (Abilene, Tex.), Vol. 57, No. 9, Ed. 1, Friday, October 31, 1969, newspaper, October 31, 1969; (https://texashistory.unt.edu/ark:/67531/metapth99502/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .