The Optimist (Abilene, Tex.), Vol. 60, No. 7, Ed. 1, Friday, October 20, 1972, newspaper, October 20, 1972; (https://texashistory.unt.edu/ark:/67531/metapth91790/m1/5/: accessed September 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .