There are 2 titles associated with this person.

@book{ wphp_15424
  author={Dickinson,Miss},
  year={1807},
  title={French and English dialogues: written for the use of the Countess of Sefton's children. By the author of L'Histoire du France, en forme de cartes, dediee aux ladies Molyneux.},
  publisher={Armand Bertrand Dulau and Co. (B. Dulau and Co.) [Soho Square]},
  address={London},    }
@book{ wphp_10883
  author={Dickinson,Miss},
  year={1812},
  title={French and English dialogues: written for the use of the Countess of Sefton's children. By Miss Dickinson, of Twickenham.},
  publisher={Armand Bertrand Dulau and Co. (B. Dulau and Co.) [Soho Square]},
  address={London},    }