The Panola Watchman (Carthage, Tex.), Vol. 95, No. 24, Ed. 1 Thursday, May 2, 1968, newspaper, May 2, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1195700/m1/21/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .