De Morse, Charles. The Northern Standard. (Clarksville, Tex.), Vol. 1, No. 1, Ed. 1, Saturday, August 20, 1842, newspaper, August 20, 1842; (https://texashistory.unt.edu/ark:/67531/metapth80452/m1/1/: accessed September 28, 2016), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .