The Pony Express (Carthage, Tex.), Vol. 39, No. 8, Ed. 1 Monday, February 13, 1989, newspaper, February 13, 1989; (https://texashistory.unt.edu/ark:/67531/metapth591920/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .