There are 3 titles associated with this person.

@book{ wphp_15943
  author={Warren,Mercy Otis},
  year={1776},
  title={The Blockheads: or, The affrighted officers. A farce},
  publisher={},
  address={Boston},    }
@book{ wphp_16218
  author={Warren,Mercy Otis},
  year={1785},
  title={Sans souci. Alias Free and easy: or An evening's peep into a polite circle. An intire new entertainment. In three acts.},
  publisher={},
  address={Boston},    }
@book{ wphp_20358
  author={Warren,Mercy Otis},
  year={1805},
  title={History of the rise, progress and termination of the American Revolution. Interspersed with biographical, political and moral observations. In three volumes. By Mrs. Mercy Warren, of Plymouth, (Mass.)},
  publisher={E. Larkin},
  address={Boston},    }