@article{88550,
      author = {Billington, Ray Allen,},
      url = {http://library.usi.edu/record/88550},
      title = {America's frontier heritage /},
      publisher = {Holt, Rinehart and Winston,},
      recid = {88550},
      pages = {xiv, 302 p. ;},
      address = {New York :},
      year = {1966},
}