There are 3 titles associated with this firm.

@book{ wphp_8602
  author={Owenson,Sydney},
  year={1803},
  title={St. Clair; or, The Heiress of Desmond. By S. O.},
  publisher={Samuel Highley [24 Fleet] \& Edward Harding [98 Pall Mall] \& John Archer [Commercial Buildings, Dame Street] \& },
  address={London},    }
@book{ wphp_8357
  author={Claris de Florian,Jean Pierre},
  year={1804},
  title={Galatea: A Pastoral Romance. From The French Of Monsieur Florian. By Miss Highley. Dedicated By Permission To The Marchioness Of Salisbury.},
  publisher={Samuel Highley [24 Fleet] \& Archibald Constable and Co. [Cross Well]},
  address={London},    }
@book{ wphp_13
  author={Gooch,Elizabeth Sarah Villa-Real},
  year={1804},
  title={Sherwood Forest; or, Northern Adventures. A Novel. In Three Volumes. By Mrs. Villa-Real Gooch.},
  publisher={Samuel Highley [24 Fleet]},
  address={London},    }