The Optimist (Abilene, Tex.), Vol. 57, No. 14, Ed. 1, Friday, January 23, 1970, newspaper, January 23, 1970; (https://texashistory.unt.edu/ark:/67531/metapth99507/m1/1/: accessed May 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .