The H-SU Brand (Abilene, Tex.), Vol. 48, No. 11, Ed. 1, Friday, February 7, 1975, newspaper, February 7, 1975; (https://texashistory.unt.edu/ark:/67531/metapth97203/m1/1/: accessed May 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .