@article{930658,
      author = {Casas, Bartolomé de las, and Clayton, Lawrence A., and  Lantigua, David M.,},
      url = {http://library.usi.edu/record/930658},
      title = {Bartolomé de las Casas and the defense of Amerindian  rights : a brief history with documents /},
      recid = {930658},
      pages = {1 online resource (pages cm.)},
}