There are 7 titles associated with this person.

@book{ wphp_15630
  author={Lewis,Mary},
  year={1820},
  title={Zelinda, a Poem; and Cardiff Castle, a Dramatic-historical Sketch. Dedicated (by Permission) to the Most Noble the Marquis of Bute. By M.G. Lewis, author of Gwenllean, a Tale in Three Volumes.},
  publisher={},
  address={London},    }
@book{ wphp_9255
  author={Lewis,Mary},
  year={1823},
  title={Gwenllean. A Tale. By Miss M. G. Lewis. In Three Volumes.},
  publisher={J. C. Spence \& },
  address={London},    }
@book{ wphp_12235
  author={Lewis,Mary},
  year={1823},
  title={Zelinda, a Poem; and Cardiff Castle, a Dramatic-historical Sketch. Dedicated by Permission to the Most Noble the Marquis of Bute. By M.G. Lewis, author of Gwenllean, a Tale in Three Volumes.},
  publisher={W. Simpkin and R. Marshall \& Sherwood, Neely, and Jones \& The Royal Library \& Edmund Lloyd and Son [50 Harley Street] \& Crew \& },
  address={London},    }
@book{ wphp_12226
  author={Lewis,Mary},
  year={1824},
  title={Zelinda, a Poem; and Cardiff Castle, a Dramatic-historical Sketch . . .},
  publisher={John Richardson [Royal Exchange]},
  address={London},    }
@book{ wphp_12237
  author={Lewis,Mary},
  year={1824},
  title={Zelinda, a Poem; and Cardiff Castle, a Dramatic-Historical Sketch. Dedicated (by permission) to the Most Noble the Marquis of Bute. By M. G. Lewis, Author of Gwenllean, a Tale in three Volumes.},
  publisher={Clement Chapple [59 Pall Mall]},
  address={London},    }
@book{ wphp_8336
  author={Lewis,Mary},
  year={1825},
  title={Ambition. In Three Volumes.},
  publisher={William Blackwood [Princes Street] \& Thomas Cadell Jun.},
  address={London},    }
@book{ wphp_1286
  author={Lewis,Mary},
  year={1830},
  title={The Jewish Maiden. A Novel. By the Author of “Ambition, &c.” In Four Volumes.},
  publisher={Minerva Press, A. K. Newman and Co. \& },
  address={London},    }