@article{24213,
      author = {Holt, Michael F.},
      url = {http://library.usi.edu/record/24213},
      title = {The political crisis of the 1850s /},
      publisher = {Wiley,},
      recid = {24213},
      pages = {xix, 330 p. ;},
      address = {New York :},
      year = {1978},
}