There are 4 titles associated with this firm.

@book{ wphp_19831
  author={Sinclair,Hannah and More,Hannah},
  year={1819},
  title={A letter on the principles of the Christian faith. Written by Hannah Sinclair, (eldest daughter of the Right Honourable Sir John Sinclair, Bart.) Who died on the 22d of May, 1818. First American, from the second London edition.},
  publisher={},
  address={Philadelphia},    }
@book{ wphp_20344
  author={Wakefield,Priscilla},
  year={1819},
  title={Mental improvement: or, The beauties and wonders of nature and art. In a series of instructive conversations. By Priscilla Wakefield, author of Leisure hours. Fourth American, from the fifth London edition.},
  publisher={Benjamin Johnson [31 Market Street] \& },
  address={Philadelphia},    }
@book{ wphp_17263
  author={Edgeworth,Maria},
  year={1834},
  title={Helen, a tale. By Maria Edgeworth. In two volumes.},
  publisher={Carey, Lea, and Blanchard \& Allen and Ticknor \& },
  address={Philadelphia},    }
@book{ wphp_1014
  author={Ellis,Sarah Stickney},
  year={1835},
  title={The Poetry of Life. By Sarah Stickney, Author of "Pictures of Private Life." In Two Volumes.},
  publisher={Carey, Lea, and Blanchard},
  address={Philadelphia},    }