The H-SU Brand (Abilene, Tex.), Vol. 54, No. 24, Ed. 1, Tuesday, December 10, 1968, newspaper, December 10, 1968; (https://texashistory.unt.edu/ark:/67531/metapth97046/m1/1/: accessed May 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .