The Optimist (Abilene, Tex.), Vol. 77, No. 54, Ed. 1, Friday, April 21, 1989, newspaper, April 21, 1989; (https://texashistory.unt.edu/ark:/67531/metapth101517/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .