Sulphur Springs News-Telegram (Sulphur Springs, Tex.), Vol. 102, No. 106, Ed. 1 Sunday, May 4, 1980, newspaper, May 4, 1980; (https://texashistory.unt.edu/ark:/67531/metapth824001/m1/37/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .