There are 2 titles associated with this firm.

@book{ wphp_15205
  author={Langsdorff,Georg Heinrich von},
  year={1817},
  title={Voyages and Travels in Various Parts of the World, during the Years 1803, 1804, 1805, 1806, and 1807. By G. H. von Langsdorff, Aulic Counsellor to His Majesty the Emperor of Russia, Consul-General at the Brazils, Knight of the Order of St. Anne, and Member of Various Academies and Learned Societies.},
  publisher={},
  address={Carlisle},    }
@book{ wphp_19110
  author={Porter,Jane},
  year={1817},
  title={Thaddeus of Warsaw. Four volumes in two. By Miss Porter. Third American edition.},
  publisher={Benjamin Warner [Market Street] \& Cushing &  Jewett \& Butler & Wood \& Moses Thomas \& William B. Gilley \& Van Winkle and Wiley \& Cummings & Hilliard \& Fielding Lucas, Jr. \& John A. Stuart \& Peter Cottom \& Richard Cottom \& John Hoff \& James W. Palmer \& Worsley & Smith \& William H. Hobby \& Isaac Riley},
  address={Philadelphia},    }