The Frontier Echo (Jacksboro, Tex.), Vol. 4, No. 4, Ed. 1 Friday, August 9, 1878, newspaper, August 9, 1878; (https://texashistory.unt.edu/ark:/67531/metapth233910/m1/1/: accessed May 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .