Dennis, J. R. The Jacksboro Gazette (Jacksboro, Tex.), Vol. 49, No. 42, Ed. 1 Thursday, March 21, 1929, newspaper, March 21, 1929; (https://texashistory.unt.edu/ark:/67531/metapth729827/m1/1/: accessed November 19, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .