The Llano News (Llano, Tex.), Vol. 81, No. 21, Ed. 1 Thursday, April 6, 1972, newspaper, April 6, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1037739/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .