Twelfth Armored Division Association (U.S.). Hellcat News, (Skokie, Ill.), Vol. 21, No. 6, Ed. 1, February 1967, newspaper, February 1967; (https://texashistory.unt.edu/ark:/67531/metapth410145/m1/3/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .