There are 3 titles associated with this person.

@book{ wphp_17016
  author={Cooper,Mary and Clarke,Adam},
  year={1816},
  title={Memoirs of the late Mrs. Mary Cooper, of London; who departed this life June 22, 1812, in the twenty-sixth year of her age. Extracted from her diary and epistolary correspondence. By Adam Clarke, LL.D. First American, from the last London edition.},
  publisher={Joshua Soule and Thomas Mason \& },
  address={New York},    }
@book{ wphp_17017
  author={Cooper,Mary and Clarke,Adam},
  year={1818},
  title={Memoirs of the late Mrs. Mary Cooper, of London; who departed this life June 22, 1812, in the twenty-sixth year of her age. Extracted from her diary and epistolary correspondence. By Adam Clarke, LL.D. Second American edition.},
  publisher={Joshua Soule and Thomas Mason \& },
  address={New York},    }
@book{ wphp_17018
  author={Cooper,Mary and Clarke,Adam},
  year={1819},
  title={Memoirs of the late Mrs. Mary Cooper, of London; who departed this life June 22, 1812, in the twenty-sixth year of her age. Extracted from her diary and epistolary correspondence. By Adam Clarke, LL.D. From the fourth London edition.},
  publisher={Wells and Lilly},
  address={Boston},    }