The Frontier Echo (Jacksboro, Tex.), Vol. 3, No. 33, Ed. 1 Friday, March 1, 1878, newspaper, March 1, 1878; (https://texashistory.unt.edu/ark:/67531/metapth233886/m1/1/: accessed May 14, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .