The Optimist (Abilene, Tex.), Vol. 59, No. 9, Ed. 1, Friday, November 5, 1971, newspaper, November 5, 1971; (https://texashistory.unt.edu/ark:/67531/metapth99553/m1/1/: accessed June 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .