The Northern Standard. (Clarksville, Tex.), Vol. 8, No. 36, Ed. 1, Saturday, May 10, 1851, newspaper, May 10, 1851; (https://texashistory.unt.edu/ark:/67531/metapth80827/m1/1/: accessed June 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .