@article{465953,
      recid = {465953},
      author = {Grivno, Max L.},
      title = {Gleanings of freedom free and slave labor along the  Mason-Dixon Line, 1790-1860 / [electronic resource] :},
      publisher = {University of Illinois Press,},
      address = {Urbana :},
      pages = {xiii, 269 p. :},
      year = {2011},
      url = {http://library.usi.edu/record/465953},
}