Armored Sentinel (Temple, Tex.), Vol. 30, No. 38, Ed. 1 Friday, October 15, 1971, newspaper, October 15, 1971; (https://texashistory.unt.edu/ark:/67531/metapth255134/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .