United States. Congress.. Appendix to the Congressional Globe, for the First Session, Twenty-Eighth: Containing Speeches and Important State Papers. Volume 13. Part 2., Book, 1844; digital images, (http://texashistory.unt.edu/ark:/67531/metapth2368/ : accessed September 02, 2014), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries Government Documents Department, Denton, Texas.