Morton, George M. The Cumby Rustler. (Cumby, Tex.), Vol. 22, No. 23, Ed. 1 Friday, September 5, 1913, newspaper, September 5, 1913; (https://texashistory.unt.edu/ark:/67531/metapth770624/m1/1/: accessed September 24, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .