Cox, Isaac Joslin. The journeys of Rene Robert Cavelier, sieur de La Salle, Book, n.d.; (http://texashistory.unt.edu/ark:/67531/metapth6103/ : accessed March 02, 2015), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries, Denton, Texas.
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