Twelfth Armored Division Association (U.S.). Hellcat News, (Skokie, Ill.), Vol. 24, No. 2, Ed. 1, October 1969, newspaper, October 1969; (https://texashistory.unt.edu/ark:/67531/metapth410035/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .