The Optimist (Abilene, Tex.), Vol. 67, No. 23, Ed. 1, Friday, March 14, 1980, newspaper, March 14, 1980; (https://texashistory.unt.edu/ark:/67531/metapth91992/m1/2/: accessed May 22, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .