Armored Sentinel (Temple, Tex.), Vol. 29, No. 27, Ed. 1 Friday, July 17, 1970, newspaper, July 17, 1970; (https://texashistory.unt.edu/ark:/67531/metapth255074/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .