Armored Sentinel (Temple, Tex.), Vol. 27, No. 54, Ed. 1 Friday, February 13, 1970, newspaper, February 13, 1970; (https://texashistory.unt.edu/ark:/67531/metapth255054/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .