The Frontier Echo (Jacksboro, Tex.), Vol. 1, No. 33, Ed. 1 Friday, February 18, 1876, newspaper, February 18, 1876; (https://texashistory.unt.edu/ark:/67531/metapth233786/m1/1/: accessed May 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .