Ward, D.S. [Bill of sale for the slave "Joe" to William Murrell by D.S. Wade, May 1854], text, May 1854; (https://texashistory.unt.edu/ark:/67531/metapth36150/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .