There are 11 titles associated with this firm.

@book{ wphp_18598
  author={More,Hannah},
  year={1818},
  title={The history of Hester Wilmot.},
  publisher={The Sunday and Adult School Union \& },
  address={Philadelphia},    }
@book{ wphp_20308
  author={Tyler,Mary Palmer},
  year={1818},
  title={The maternal physician; a treatise on the nurture and management of infants, from the birth until two years old. Being the result of sixteen years' experience in the nursery.  Illustrated by extracts from the most approved medical authors. By an American matron.  Second Edition.},
  publisher={Lewis Adams \& },
  address={Philadelphia},    }
@book{ wphp_18406
  author={Marshall,Elizabeth},
  year={1819},
  title={Ellen: a tale in three parts. By an American lady.},
  publisher={The Sunday and Adult School Union},
  address={Philadelphia},    }
@book{ wphp_19647
  author={Sherwood,Mary Martha},
  year={1819},
  title={History of Emily and her brothers. By Mrs. Sherwood, author of "Little Henry and his bearer," &c. First American Edition.},
  publisher={The Sunday and Adult School Union},
  address={Philadelphia},    }
@book{ wphp_19652
  author={Sherwood,Mary Martha},
  year={1819},
  title={History of Henry Fairchild and Charles Trueman.},
  publisher={The Sunday and Adult School Union \& },
  address={Philadelphia},    }
@book{ wphp_19672
  author={Sherwood,Mary Martha},
  year={1819},
  title={The history of little Henry and his bearer.},
  publisher={The Sunday and Adult School Union \& },
  address={Philadelphia},    }
@book{ wphp_19673
  author={Sherwood,Mary Martha},
  year={1819},
  title={The history of little Henry and his bearer. Second edition.},
  publisher={The Sunday and Adult School Union \& },
  address={Philadelphia},    }
@book{ wphp_18409
  author={Marshall,Elizabeth},
  year={1819},
  title={The life of Mary Mordant. By an American lady.},
  publisher={The Sunday and Adult School Union},
  address={Philadelphia},    }
@book{ wphp_18425
  author={Marshall,Elizabeth},
  year={1819},
  title={The vicar's garden, or, The Greek medal. By an American lady.},
  publisher={The Sunday and Adult School Union \& },
  address={Philadelphia},    }
@book{ wphp_17329
  author={Edgeworth,Maria},
  year={1822},
  title={Tales of Fashionable Life. By Maria Edgeworth. Six Volumes in Two.},
  publisher={Eliakim Trenchard Littell \& Robert Norris Henry \& Samuel Hale Parker [12 Cornhill] \& },
  address={Philadelphia},    }
@book{ wphp_17350
  author={Edgeworth,Maria},
  year={1824},
  title={Works of Maria Edgeworth. Complete in Thirteen Volumes.},
  publisher={Samuel Hale Parker [12 Cornhill] \& Eliakim Trenchard Littell \& Robert Norris Henry \& Munroe and Francis [128 Washington] \& Samuel Hale Parker [164 Washington] \& Munroe and Francis [4 Cornhill] \& Samuel Hale Parker [98 Washington-Street]},
  address={Boston},    }