There are 4 titles associated with this firm.

@book{ wphp_1109
  author={Wilkinson,Sarah Scudgell},
  year={1800},
  title={The White Cottage of the Valley; or, The Mysterious Husband. An Original, Interesting Romance. By Sarah Wilkinson.},
  publisher={Robert Harrild},
  address={London},    }
@book{ wphp_304
  author={Wilkinson,Sarah Scudgell},
  year={1811},
  title={Priory of St Clair; or, Spectre of the Murdered Nun. A Gothic Tale, By Sarah Wilkinson},
  publisher={},
  address={London},    }
@book{ wphp_304
  author={Wilkinson,Sarah Scudgell},
  year={1811},
  title={Priory of St Clair; or, Spectre of the Murdered Nun. A Gothic Tale, By Sarah Wilkinson},
  publisher={},
  address={London},    }
@book{ wphp_1203
  author={Wilkinson,Sarah Scudgell},
  year={1812},
  title={Edward & Agnes, or, The Twin Orphans of Rosemount Farm. A Village Tale, by Sarah Wilkinson.},
  publisher={},
  address={London},    }