The Clarksville Times (Clarksville, Tex.), Vol. 89, No. 15, Ed. 1 Friday, April 28, 1961, newspaper, April 28, 1961; (https://texashistory.unt.edu/ark:/67531/metapth893808/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .