There are 2 titles associated with this person.

@book{ wphp_12569
  author={Sewell,Anna},
  year={1806},
  title={Trafalgar: A Poem, to the Memory of Lord Nelson, Who Received a Mortal Wound in the Late Naval Engagement off Trafalgar, in the Hour of Victory. October 21, 1805. By Mrs. Sewell.},
  publisher={Nornaville and Fell \& R. Wetton and Son},
  address={Chertsey},    }
@book{ wphp_13371
  author={Taylor,Ann Martin and Aikin,John and Opie,Amelia and Baillie,Joanna and Rowe,Elizabeth Singer and Temple,Laura Sophia and Betham,Mary Matilda and Pilkington,Laetitia and Montagu,Mary Wortley and Sewell,Anna and Phillips,Catherine and Barbauld,Anna Laetitia},
  year={1810},
  title={Vocal Poetry, a select collection of English songs. To which is prefixed an essay on song-writing, by John Aikin, M.D.},
  publisher={Joseph Johnson and Co. \& },
  address={London},    }