Sulphur Springs News-Telegram (Sulphur Springs, Tex.), Vol. 102, No. 68, Ed. 1 Thursday, March 20, 1980, newspaper, March 20, 1980; (https://texashistory.unt.edu/ark:/67531/metapth823759/m1/2/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .