@article{475114,
      author = {Thernstrom, Stephan.},
      url = {http://library.usi.edu/record/475114},
      title = {Poverty and progress social mobility in a nineteenth  century city / [electronic resource] :},
      publisher = {Harvard University Press,},
      recid = {475114},
      pages = {xii, 286 p.},
      address = {Cambridge :},
      year = {1964},
}