There are 2 titles associated with this person.

@book{ wphp_25196
  author={Velnet,Mary},
  year={1804},
  title={An affecting history of the captivity and sufferings of Mrs. Mary Velnet, an Italian lady. Who was seven years a slave in Tripoli, three of which she was confined in a dungeon loaded with irons, and four times put to the most cruel tortures ever invented by man. Written by herself. The First American Edition.},
  publisher={William Crary},
  address={Boston},    }
@book{ wphp_20315
  author={Velnet,Mary},
  year={1806},
  title={An affecting history of the captivity and sufferings of Mrs. Mary Velnet, an Italian lady. Who was seven years a slave in Tripoli, three of which she was confined in a dungeon loaded with irons, and four times put to the most cruel tortures ever invented by man. Written by herself.},
  publisher={},
  address={Sag Harbor},    }