@article{507171,
      recid = {507171},
      title = {An essay on the practice of midwifery [electronic  resource].},
      publisher = {printed by W. Cruttwell, for G. Kearsly, in  Ludgate-Street, London,},
      address = {Sherborne :},
      pages = {[4],v,[4],6-63,[1]p. ;},
      year = {1766},
      note = {With an errata leaf.},
      url = {http://library.usi.edu/record/507171},
}