There are 6 titles associated with this firm.

@book{ wphp_6400
  author={Sewell,Mary Young},
  year={1790},
  title={Innocence: an allegorical poem. By Miss Mary Young.},
  publisher={},
  address={London},    }
@book{ wphp_12553
  author={Sewell,Mary Young},
  year={1803},
  title={Poems, By Mrs. G. Sewell, relict of the late Rev. Geo. Sewell, Rector of Byfleet, Surrey.},
  publisher={},
  address={Egham},    }
@book{ wphp_11727
  author={Pilkington,Mary},
  year={1803},
  title={New tales of the castle; or, the noble emigrants, a story of modern times. By Mrs. Pilkington.},
  publisher={},
  address={Uxbridge},    }
@book{ wphp_11729
  author={Pilkington,Mary},
  year={1803},
  title={Pictures of Virtue and Vice; or Moral Tales, for the Perusal of Young Gentlemen, previous to their leaving school, by Mrs. Pilkington, Author of Mentorial Tales for Ladies; &c. &c. In two volumes.},
  publisher={John Harris [1802-1819, 1824-1843] \& },
  address={Uxbridge},    }
@book{ wphp_12639
  author={Edridge,Rebecca},
  year={1803},
  title={The Lapse of Time, a Poem, for the New Year. By Rebecca Edridge.},
  publisher={},
  address={Uxbridge},    }
@book{ wphp_12581
  author={Sewell,Mary Young},
  year={1809},
  title={Poems and Essays. By Mrs. G. Sewell, Relict of the late Rev. George Sewell, Rector of Byfleet, Surrey. In Three Volumes.},
  publisher={Richard Cruttwell \& S. Hazard \& Robert Wetton \& },
  address={Chertsey},    }