There are 8 titles associated with this firm.

@book{ wphp_12240
  author={Trench,Melesina},
  year={1816},
  title={Laura's Dream; or, the Moonlanders},
  publisher={John Hatchard [190 Piccadilly] \& },
  address={London},    }
@book{ wphp_10527
  author={Hoare,Louisa Gurney},
  year={1820},
  title={Hints for the improvement of early education and nursery discipline.},
  publisher={John Hatchard and Son [187 Piccadilly] \& },
  address={London},    }
@book{ wphp_11018
  author={Poulter,Louisa Frances},
  year={1820},
  title={Imagination; a Poem. In Two Parts},
  publisher={John Hatchard and Sons [190 Piccadilly] \& },
  address={London},    }
@book{ wphp_791
  author={Hemans,Felicia},
  year={1821},
  title={Dartmoor. A Poem: Which Obtained the Prize of Fifty Guineas Proposed by the Royal Society of Literature. By Felicia D. Hemans.},
  publisher={the Royal Society of Literature \& },
  address={London},    }
@book{ wphp_10844
  author={Whitmore,Lucy},
  year={1824},
  title={Family Prayers for Every Day in the Week, Selected from Various Portions of the Holy Bible, with References. To Which are Added, a Few Prayers for Persons in Private; and Fourteen Original Hymns},
  publisher={John Hatchard and Son [187 Piccadilly] \& },
  address={London},    }
@book{ wphp_10529
  author={Hoare,Louisa Gurney},
  year={1824},
  title={Hints for the improvement of early education and nursery discipline.},
  publisher={John Hatchard and Son [187 Piccadilly] \& },
  address={London},    }
@book{ wphp_10110
  author={Mant,Alicia Catherine},
  year={1825},
  title={Tales for Ellen. By the author of "Ellen, or the young godmother," "The young naturalist;" &c &c.},
  publisher={Holloway and Co., Juvenile Repository \& },
  address={London},    }
@book{ wphp_10530
  author={Hoare,Louisa Gurney},
  year={1828},
  title={Hints for the improvement of early education and nursery discipline.},
  publisher={John Hatchard and Son [187 Piccadilly] \& },
  address={London},    }