There are 2 titles associated with this person.

@book{ wphp_11867
  author={Harvey,Margaret},
  year={1814},
  title={The Lay of the Minstrel's Daughter. A Poem, in Six Cantos. By Margaret Harvey. Dedicated, by Permission, to His Grace the Duke of Northumberland},
  publisher={},
  address={Newcastle upon Tyne},    }
@book{ wphp_11875
  author={Harvey,Margaret},
  year={1822},
  title={Raymond de Percy; or, the Tenant of the Tomb. A Romantic Melo Drame. Most Respectfully inscribed to Mrs. Coutts, as a small testimony of Esteem. The characters cast as performed at Sunderland, in April, 1822. By Margaret Harvey, author of "The Lay of the Minstrel's Daughter," &c. &c.},
  publisher={},
  address={Bishopwearmouth},    }