The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 103, No. 9, Ed. 1 Friday, March 3, 1978, newspaper, March 3, 1978; (https://texashistory.unt.edu/ark:/67531/metapth781065/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .