There are 7 titles associated with this person.

@book{ wphp_11815
  author={Roberts,Margaret},
  year={1804},
  title={The Telescope; or, Moral Views for Children.},
  publisher={},
  address={London},    }
@book{ wphp_11811
  author={Roberts,Margaret},
  year={1806},
  title={Moral Views; or the Telescope, for Children. The Second Edition.},
  publisher={},
  address={London},    }
@book{ wphp_11812
  author={Roberts,Margaret},
  year={1812},
  title={Moral Views; or the Telescope, for Children. The third edition.},
  publisher={Charles Law \& John Harris [1802-1819, 1824-1843] \& William Darton, Joseph Harvey, and Samuel Darton \& },
  address={London},    }
@book{ wphp_10616
  author={Roberts,Margaret},
  year={1812},
  title={Rose and Emily, or, Sketches of youth. By Mrs. Roberts author of Moral Views; or, The telescope for children.},
  publisher={Longman, Hurst, Rees, Orme, and Brown \& John Harris [1802-1819, 1824-1843] \& },
  address={London},    }
@book{ wphp_9028
  author={Roberts,Margaret},
  year={1814},
  title={Duty, A Novel, by the Late Mrs. Roberts, Author of "Rose and Emily:" Interspersed with Poetry and Preceded by a character of the author by Mrs. Opie. In Three Volumes},
  publisher={Longman, Hurst, Rees, Orme, and Brown},
  address={London},    }
@book{ wphp_11814
  author={Roberts,Margaret},
  year={1815},
  title={Rose and Emily, or, Sketches of youth. By Mrs. Roberts, author of "Moral Views; or, the Telescope for Children."},
  publisher={John Harris [1802-1819, 1824-1843] \& Longman, Hurst, Rees, Orme, and Brown},
  address={London},    }
@book{ wphp_11813
  author={Roberts,Margaret},
  year={1816},
  title={Moral Views; or the Telescope, for Children. The fourth edition.},
  publisher={John Harris [1802-1819, 1824-1843] \& Charles Law and George B. Whittaker \& William Darton, Joseph Harvey, and Samuel Darton \& },
  address={London},    }