Twelfth Armored Division Association (U.S.). Hellcat News, (Detroit, Mich.), Vol. 20, No. 10, Ed. 1, June 1966, newspaper, June 1966; (https://texashistory.unt.edu/ark:/67531/metapth410723/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .