Twelfth Armored Division Association (U.S.). Hellcat News, (Seward, Neb.), Vol. 44, No. 11, Ed. 1, July 1991, newspaper, July 1991; (https://texashistory.unt.edu/ark:/67531/metapth410523/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .