Borrego. [Letter from Borrego to Political Chief of Nacogdoches], Letter, April 1, 1835; digital images, (http://texashistory.unt.edu/ark:/67531/metapth3403/ : accessed May 24, 2013), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting Texas State Library and Archives Commission, Austin, Texas.
