There are 4 titles associated with this firm.

@book{ wphp_8430
  author={Lafontaine,August Heinrich Julius},
  year={1804},
  title={Love and Gratitude; or, Traits of the Human Heart. Six Novels, Translated From Augustus La Fontaine. In Three Volumes. Prepared For the press by Mrs. Parsons, Author Of Mysterious Warning, Girl Of The Mountain, Murray House, The Miser and His Family, The Peasant of Ardenne Forest, The Valley of St. Gothard, Mysterious Visit, &c. &c.},
  publisher={Philip Norbury \& },
  address={Brentford},    }
@book{ wphp_734
  author={Parsons,Eliza},
  year={1804},
  title={Murray House. "A Plain Unvarnished Tale." In Three Volumes. By Mrs Parsons, author of Errors of Education, Woman as She Should Be, Mysterious Warning, Girl of the Mountain, The Peasant of Ardenne Forest, The Valley of St. Gothard, The Miser and His Family, Mysterious Visit, &c. &c.},
  publisher={Philip Norbury \& },
  address={Brentford},    }
@book{ wphp_82
  author={Helme,Elizabeth},
  year={1805},
  title={The Pilgrim of the Cross; or, The Chronicles of Christabelle de Mowbray. An Ancient Legend. In Four Volumes. By Elizabeth Helme, author of St. Margaret's Cave, or the Nun's Story; Louisa, or the Cottage on the Moor; St. Clair of the Isles, &c. &c.},
  publisher={Philip Norbury \& },
  address={Brentford},    }
@book{ wphp_1229
  author={Kelly,Isabella},
  year={1805},
  title={The Secret: A Novel. In Four Volumes. By Isabella Kelly, Author of Madeline, Abbey St. Asaph, Avondale Priory, Eva, Ruthinglenne, Baron's Daughter, A Modern Incident in Domestic Life, &c. &c.},
  publisher={Philip Norbury \& },
  address={Brentford},    }