Armored Sentinel (Temple, Tex.), Vol. 25, No. 33, Ed. 1 Friday, September 1, 1967, newspaper, September 1, 1967; (https://texashistory.unt.edu/ark:/67531/metapth254949/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .