@article{326256,
      author = {Polk, William R.},
      url = {http://library.usi.edu/record/326256},
      title = {The birth of America : from before Columbus to the  Revolution /},
      publisher = {HarperCollins,},
      recid = {326256},
      pages = {xxiii, 392 p. :},
      address = {New York, NY :},
      year = {2006},
}