The H-SU Brand (Abilene, Tex.), Vol. 55, No. 34, Ed. 1, Friday, February 13, 1970, newspaper, February 13, 1970; (https://texashistory.unt.edu/ark:/67531/metapth98721/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .