There are 3 titles associated with this person.

@book{ wphp_1322
  author={St. John,Isabella},
  year={1831},
  title={Wedded Life In the Upper Ranks. The Wife and Friends, and the Married Man. In Two Volumes.},
  publisher={Henry Colburn and Richard Bentley \& },
  address={London},    }
@book{ wphp_1345
  author={St. John,Isabella and M'Leod,Miss E. H.},
  year={1832},
  title={Geraldine Hamilton; Or, Self-Guidance. A Tale. In Two Volumes.},
  publisher={Richard Bentley \& },
  address={London},    }
@book{ wphp_1446
  author={St. John,Isabella},
  year={1836},
  title={Mrs. Cleveland, and the St. Clairs, &C. In Three Volumes.},
  publisher={Richard Bentley \& },
  address={London},    }