The Daily News-Telegram (Sulphur Springs, Tex.), Vol. 86, No. 81, Ed. 1 Tuesday, April 7, 1964, newspaper, April 7, 1964; (https://texashistory.unt.edu/ark:/67531/metapth824073/m1/2/: accessed June 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .