Armored Sentinel (Temple, Tex.), Vol. 31, No. 3, Ed. 1 Friday, March 3, 1972, newspaper, March 3, 1972; (https://texashistory.unt.edu/ark:/67531/metapth255151/m1/1/: accessed September 25, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .