The H-SU Brand (Abilene, Tex.), Vol. 54, No. 7, Ed. 1, Tuesday, October 1, 1968, newspaper, October 1, 1968; (https://texashistory.unt.edu/ark:/67531/metapth97029/m1/1/: accessed May 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .