Armored Sentinel (Temple, Tex.), Vol. 30, No. 52, Ed. 1 Friday, February 18, 1972, newspaper, February 18, 1972; (https://texashistory.unt.edu/ark:/67531/metapth255149/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .