The Optimist (Abilene, Tex.), Vol. 58, No. 14, Ed. 1, Friday, February 5, 1971, newspaper, February 5, 1971; (https://texashistory.unt.edu/ark:/67531/metapth99534/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .