Armored Sentinel (Temple, Tex.), Vol. 17, No. 45, Ed. 1 Friday, April 8, 1960, newspaper, April 8, 1960; (https://texashistory.unt.edu/ark:/67531/metapth254629/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .