The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 102, No. 38, Ed. 1 Friday, September 23, 1977, newspaper, September 23, 1977; (https://texashistory.unt.edu/ark:/67531/metapth780314/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .