De Morse, Charles. The Northern Standard. (Clarksville, Tex.), Vol. 7, No. 18, Ed. 1, Saturday, September 29, 1849, newspaper, September 29, 1849; (https://texashistory.unt.edu/ark:/67531/metapth80758/m1/1/: accessed October 20, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .