The Clarksville Times (Clarksville, Tex.), Vol. 92, No. 18, Ed. 1 Thursday, May 21, 1964, newspaper, May 21, 1964; (https://texashistory.unt.edu/ark:/67531/metapth921665/m1/1/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .