The Optimist (Abilene, Tex.), Vol. 56, No. 15, Ed. 1, Friday, February 7, 1969, newspaper, February 7, 1969; (https://texashistory.unt.edu/ark:/67531/metapth99480/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .