Armored Sentinel (Temple, Tex.), Vol. 18, No. 48, Ed. 1 Friday, March 10, 1961, newspaper, March 10, 1961; (https://texashistory.unt.edu/ark:/67531/metapth254670/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .