The Northern Standard. (Clarksville, Tex.), Vol. 3, No. 20, Ed. 1, Tuesday, May 20, 1845, newspaper, May 20, 1845; (https://texashistory.unt.edu/ark:/67531/metapth80556/m1/3/: accessed June 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .