Armored Sentinel (Temple, Tex.), Vol. 31, No. 33, Ed. 1 Friday, October 6, 1972, newspaper, October 6, 1972; (https://texashistory.unt.edu/ark:/67531/metapth255180/m1/16/: accessed September 25, 2022), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .