The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 85, No. 12, Ed. 1 Friday, March 25, 1960, newspaper, March 25, 1960; (https://texashistory.unt.edu/ark:/67531/metapth827023/m1/13/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .