Keys, Clarke. Sulphur Springs News-Telegram (Sulphur Springs, Tex.), Vol. 302, No. 17, Ed. 1 Monday, January 21, 1980, newspaper, January 21, 1980; (https://texashistory.unt.edu/ark:/67531/metapth824498/m1/1/: accessed February 24, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .