The H-SU Brand (Abilene, Tex.), Vol. 53, No. 23, Ed. 1, Tuesday, November 21, 1967, newspaper, November 21, 1967; (https://texashistory.unt.edu/ark:/67531/metapth98710/m1/4/: accessed June 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .