Armored Sentinel (Temple, Tex.), Vol. 17, No. 12, Ed. 1 Friday, May 29, 1959, newspaper, May 29, 1959; (https://texashistory.unt.edu/ark:/67531/metapth254585/m1/12/: accessed April 8, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .