Armored Sentinel (Temple, Tex.), Vol. 24, No. 49, Ed. 1 Friday, December 23, 1966, newspaper, December 23, 1966; (https://texashistory.unt.edu/ark:/67531/metapth254914/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .