@article{471855,
      author = {Thoreau, Henry David,},
      url = {http://library.usi.edu/record/471855},
      title = {Slavery in Massachusetts [electronic resource] /},
      publisher = {Virginia Tech,},
      recid = {471855},
      pages = {11 p.},
      address = {Blacksburg, VA :},
      year = {2001},
}