The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 105, No. 5, Ed. 1 Friday, February 1, 1980, newspaper, February 1, 1980; (https://texashistory.unt.edu/ark:/67531/metapth780844/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .