The Optimist (Abilene, Tex.), Vol. 61, No. 24, Ed. 1, Friday, April 19, 1974, newspaper, April 19, 1974; (https://texashistory.unt.edu/ark:/67531/metapth91833/m1/5/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .