Twelfth Armored Division Association (U.S.). Hellcat News, (Springfield, Ill.), Vol. 32, No. 8, Ed. 1, April 1978, newspaper, April 1978; (https://texashistory.unt.edu/ark:/67531/metapth410454/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .