Armored Sentinel (Temple, Tex.), Vol. 28, No. 15, Ed. 1 Friday, April 24, 1970, newspaper, April 24, 1970; (https://texashistory.unt.edu/ark:/67531/metapth255063/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .