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@book{ wphp_21414
  author={Logan,George},
  year={1818},
  title={An address on the errors of husbandry, in the United States. Delivered before the Philadelphia Society for Promoting Agriculture, at their annual meeting, January 14, 1818. By George Logan, M. D. one of the vice-presidents of the Society.},
  publisher={},
  address={Philadelphia},    }