The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 87, No. 13, Ed. 1 Friday, March 30, 1962, newspaper, March 30, 1962; (https://texashistory.unt.edu/ark:/67531/metapth826990/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .