The Llano News (Llano, Tex.), Vol. 79, No. 11, Ed. 1 Thursday, February 1, 1968, newspaper, February 1, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1037804/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .