There are 2 titles associated with this firm.

@book{ wphp_18043
  author={More,Hannah},
  year={1806},
  title={The way to get married: and the advantages and disadvantages of the marriage state; represented under the similitude of a dream. To which is added A father's legacy to his daughters.},
  publisher={Jacob Johnson \& },
  address={Philadelphia},    }
@book{ wphp_17682
  author={Guppy,Sarah},
  year={1808},
  title={Instructive and entetaining [sic] dialogues for children. By Mrs. Guppy. First American Edition.},
  publisher={Jacob Johnson \& },
  address={Philadelphia},    }