Armored Sentinel (Temple, Tex.), Vol. 27, No. 29, Ed. 1 Friday, July 25, 1969, newspaper, July 25, 1969; (https://texashistory.unt.edu/ark:/67531/metapth255033/m1/1/: accessed November 18, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .