The Pony Express (Carthage, Tex.), Vol. 16, No. 1, Ed. 1 Tuesday, October 13, 1964, newspaper, October 13, 1964; (https://texashistory.unt.edu/ark:/67531/metapth507891/m1/3/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .