Jones, Kenneth. The Pony Express (Carthage, Tex.), Vol. 25, No. 8, Ed. 1 Thursday, March 14, 1974, newspaper, March 14, 1974; (https://texashistory.unt.edu/ark:/67531/metapth508004/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .