The Daily News-Telegram (Sulphur Springs, Tex.), Vol. 90, No. 209, Ed. 1 Tuesday, September 3, 1968, newspaper, September 3, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1585718/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .