@article{319400,
      author = {Unger, Irwin. and Unger, Debi,},
      url = {http://library.usi.edu/record/319400},
      title = {The vulnerable years : the United States, 1896-1917 /},
      publisher = {Dryden Press,},
      recid = {319400},
      pages = {205 p. ;},
      address = {Hinsdale, Ill. :},
      year = {1977},
}