Armored Sentinel (Temple, Tex.), Vol. 27, No. 26, Ed. 1 Thursday, July 3, 1969, newspaper, July 3, 1969; (https://texashistory.unt.edu/ark:/67531/metapth255030/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .