There are 7 titles associated with this firm.

@book{ wphp_18480
  author={Mathews,Mrs. Charles},
  year={1808},
  title={Griffith Abbey, or, Memoirs of Eugenia. By Mrs. C. Mathews.  Two volumes in one.},
  publisher={Thomas Powers},
  address={New York},    }
@book{ wphp_17232
  author={Edgeworth,Maria},
  year={1810},
  title={Ennui. A tale, by Maria Edgeworth.},
  publisher={Elliot and Crissy \& },
  address={New York},    }
@book{ wphp_18910
  author={Opie,Amelia},
  year={1810},
  title={The black velvet pelisse, and The mother and son. From the tales of Mrs. Opie},
  publisher={Elliot and Crissy \& },
  address={New York},    }
@book{ wphp_16306
  author={Aikin,John and Barbauld,Anna Laetitia},
  year={1810},
  title={The Farm-Yard Journal, Also, the Histories of the Cat and Mouse. Ornamented with Plates},
  publisher={Thomas Powers \& },
  address={New York},    }
@book{ wphp_16423
  author={Barbauld,Anna Laetitia},
  year={1810},
  title={Easy reading lessons for children. By Mrs. Barbauld.},
  publisher={Thomas Powers},
  address={New York},    }
@book{ wphp_16306
  author={Aikin,John and Barbauld,Anna Laetitia},
  year={1810},
  title={The Farm-Yard Journal, Also, the Histories of the Cat and Mouse. Ornamented with Plates},
  publisher={Thomas Powers \& },
  address={New York},    }
@book{ wphp_16373
  author={d'Aulnoy,Marie-Catherine},
  year={1810},
  title={The History of Fortunio, and his Famous Companions.},
  publisher={Thomas Powers},
  address={New York},    }