Armored Sentinel (Temple, Tex.), Vol. 27, No. 31, Ed. 1 Friday, August 15, 1969, newspaper, August 15, 1969; (https://texashistory.unt.edu/ark:/67531/metapth255036/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .