The Optimist (Abilene, Tex.), Vol. 63, No. 23, Ed. 1, Friday, April 9, 1976, newspaper, April 9, 1976; (https://texashistory.unt.edu/ark:/67531/metapth91884/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .