Dyer, Joseph O.. The early history of Galveston, by Dr. J. O. Dyer, Book, 1916; digital images, (http://texashistory.unt.edu/ark:/67531/metapth24651/ : accessed May 19, 2013), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries, Denton, Texas.
