There are 2 titles associated with this firm.

@book{ wphp_19360
  author={Rowson,Susanna},
  year={1834},
  title={Charlotte Temple; a tale of truth. By Mrs. Rowson, author of Victoria, Inquisitor, Fille de chambre, etc.},
  publisher={William D'Hart \& },
  address={Trenton},    }
@book{ wphp_19742
  author={Sherwood,Mary Martha},
  year={1834},
  title={The Nun. First American from the London Edition. By Mrs. Sherwood.},
  publisher={Moore Baker \& },
  address={New Jersey},    }