There are 3 titles associated with this firm.

@book{ wphp_19409
  author={Rowson,Susanna},
  year={1801},
  title={Charlotte Temple. A tale of truth. By Mrs. Rowson, late of the New Theatre, Philadelphia; author of Victoria, The Inquisitor, Fille de chambre, &c. Two volumes in one. Fourth American edition.},
  publisher={Mathew Carey [222 Market Street] \& },
  address={Harrisburg},    }
@book{ wphp_19410
  author={Rowson,Susanna},
  year={1802},
  title={Charlotte Temple. A tale of truth. By Mrs. Rowson, late of the New Theatre, Philadelphia; author of Victoria, The Inquisitor, Fille de chambre, &c. Two volumes in one. Fifth American edition.},
  publisher={Mathew Carey [222 Market Street] \& },
  address={Harrisburg},    }
@book{ wphp_20989
  author={},
  year={1812},
  title={Parker & Delaplaine's American edition of the New Edinburgh encyclopaedia, conducted by David Brewster, L.L.D. Fellow of the Royal Society of Edinburgh, and of the Society of Antiquaries of Scotland. Assisted by upwards of one hundred gentlemen in Europe, most eminent in science and literature. And now improved for the greater satisfaction and better information of the people of the United States, in the civil, religious & natural history of their country in American biography & in the great discoveries in mechanics & the arts.},
  publisher={},
  address={Philadelphia},    }