There are 2 titles associated with this person.

@book{ wphp_5098
  author={Petersen,Johanna Eleonora},
  year={1772},
  title={The nature and necessity of the new creature in Christ, stated and described according to heart's experience and true practice. By Joanna Eleonora de Merlau. Translated from the German by Francis Okely, A. B. Formerly of St. John's College in Cambridge.},
  publisher={},
  address={London},    }
@book{ wphp_5099
  author={Petersen,Johanna Eleonora},
  year={1772},
  title={The nature and necessity of the new creature in Christ, stated and described, according to he art's [sic] experience and true practice. By Joanna Eleonora de Merlau. Translated from the German, by Francis Okely. ...},
  publisher={},
  address={London},    }