Armored Sentinel (Temple, Tex.), Vol. 25, No. 51, Ed. 1 Friday, January 12, 1968, newspaper, January 12, 1968; (https://texashistory.unt.edu/ark:/67531/metapth254967/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .