There are 5 titles associated with this firm.

@book{ wphp_20989
  author={},
  year={1812},
  title={Parker & Delaplaine's American edition of the New Edinburgh encyclopaedia, conducted by David Brewster, L.L.D. Fellow of the Royal Society of Edinburgh, and of the Society of Antiquaries of Scotland. Assisted by upwards of one hundred gentlemen in Europe, most eminent in science and literature. And now improved for the greater satisfaction and better information of the people of the United States, in the civil, religious & natural history of their country in American biography & in the great discoveries in mechanics & the arts.},
  publisher={},
  address={Philadelphia},    }
@book{ wphp_21138
  author={Blumenbach,Johann Friedrich and Elliotson,John},
  year={1817},
  title={The institutions of physiology, by J. Fred. Blumenbach, professor of medicine in the University of Gottingen. ; Translated from the Latin of the third and last edition. And supplied with numerous and extensive notes, by John Elliotson, M.D. member of Jesus College, Cambridge; the Royal College of Physicians, London; the Medico-Chirurgical Society of London; member, and formerly president of the Royal Medical Society of Edinburgh. Second Edition.},
  publisher={Benjamin Warner \& },
  address={Philadelphia},    }
@book{ wphp_21138
  author={Blumenbach,Johann Friedrich and Elliotson,John},
  year={1817},
  title={The institutions of physiology, by J. Fred. Blumenbach, professor of medicine in the University of Gottingen. ; Translated from the Latin of the third and last edition. And supplied with numerous and extensive notes, by John Elliotson, M.D. member of Jesus College, Cambridge; the Royal College of Physicians, London; the Medico-Chirurgical Society of London; member, and formerly president of the Royal Medical Society of Edinburgh. Second Edition.},
  publisher={Benjamin Warner \& },
  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},    }
@book{ wphp_19372
  author={Rowson,Susanna},
  year={1820},
  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 [High Street] \& William P. Bason},
  address={Philadelphia},    }