The Panola Watchman (Carthage, Tex.), Vol. 100, No. 20, Ed. 1 Thursday, March 29, 1973, newspaper, March 29, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1202757/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .