De Morse, Charles. The Northern Standard. (Clarksville, Tex.), Vol. 6, No. 48, Ed. 1, Saturday, April 7, 1849, newspaper, April 7, 1849; (https://texashistory.unt.edu/ark:/67531/metapth80737/m1/4/: accessed September 16, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .