Smith, Walt & Whitley, S. R. Cisco Round-up (Cisco, Tex.), Vol. 26, No. 42, Ed. 1 Friday, May 3, 1907, newspaper, May 3, 1907; (https://texashistory.unt.edu/ark:/67531/metapth522285/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .