There are 4 titles associated with this firm.

@book{ wphp_14528
  author={Wakefield,Priscilla},
  year={1811},
  title={Sketches of Human Manners, Delineated in Stories Intended to Illustrate the Characters, Religion, and Singular Customs, of the Inhabitants of Different Parts of the World. By Priscilla Wakefield.},
  publisher={Jacob Johnson & Benjamin Warner \& },
  address={Philadelphia},    }
@book{ wphp_14504
  author={Wakefield,Priscilla},
  year={1811},
  title={Sketches of Human Manners, Delineated in Stories Intended to Illustrate the Characters, Religion, and Singular Customs, of the Inhabitants of Different Parts of the World. By Priscilla Wakefield. First American Edition.},
  publisher={Jacob Johnson & Benjamin Warner \& },
  address={Philadelphia},    }
@book{ wphp_21723
  author={Kilner,Elizabeth},
  year={1817},
  title={A visit to London, containing a description of the principal curiosities in the British metropolis. By S.W. Author of The visit to a farm-house, and The puzzle for a curious girl.  With six copper plates. A New Edition, with additions and improvements.},
  publisher={Benjamin Warner [Market Street] \& },
  address={Philadelphia},    }
@book{ wphp_19371
  author={Rowson,Susanna},
  year={1818},
  title={Charlotte Temple, a tale of truth. By Mrs. Rowson, late of the New Theatre, Philadelphia; author of Victoria, Inquisitor, Fille de chambre, etc.},
  publisher={Benjamin Warner [Market Street] \& },
  address={Philadelphia},    }