There are 2 titles associated with this person.

@book{ wphp_6095
  author={Birket,Mary},
  year={1792},
  title={A poem on the African slave trade. Addressed to her own sex by M. Birkett. The Second Edition. [Part I, of 2]},
  publisher={},
  address={Dublin},    }
@book{ wphp_6097
  author={Birket,Mary},
  year={1792},
  title={A poem on the African slave trade. Addressed to her own sex, by M. Birkett. Part II.},
  publisher={},
  address={Dublin},    }