There are 3 titles associated with this firm.

@book{ wphp_15323
  author={Pilkington,Mary},
  year={1803},
  title={Mentorial tales, for the instruction of young ladies just leaving school and entering upon the theatre of life. By Mrs. Pilkington.},
  publisher={Jacob Johnson \& },
  address={Philadelphia},    }
@book{ wphp_19313
  author={Rowe,Elizabeth Singer},
  year={1805},
  title={Friendship in death; in letters from the dead to the living. To which are added Letters moral and entertaining, in prose and verse. By Mrs. Elizabeth Rowe. Johnson's edition.},
  publisher={Robert Johnson [Belfast] \& },
  address={Philadelphia},    }
@book{ wphp_19314
  author={Rowe,Elizabeth Singer},
  year={1808},
  title={Friendship in death; in letters from the dead to the living. To which are added letters moral and entertaining, in prose and verse. By Mrs. Elizabeth Rowe.},
  publisher={Benjamin and Thomas Kite \& },
  address={Philadelphia},    }