@article{475095,
      author = {Kolchin, Peter.},
      url = {http://library.usi.edu/record/475095},
      title = {Unfree labor: American slavery and Russian serfdom /},
      publisher = {Belknap Press of Harvard University Press,},
      recid = {475095},
      pages = {xiv, 517 p. :},
      address = {Cambridge, MA :},
      year = {1987},
}