@article{135934,
      author = {Viola, Herman J. and Margolis, Carolyn.},
      url = {http://library.usi.edu/record/135934},
      title = {Seeds of change : a quincentennial commemoration /},
      publisher = {Smithsonian Institution Press,},
      recid = {135934},
      pages = {277 p. :},
      address = {Washington :},
      year = {1991},
}