There are 15 titles associated with this firm.

@book{ wphp_16299
  author={Aikin,John and Barbauld,Anna Laetitia},
  year={1813},
  title={Evenings at Home, or, The Juvenile Budget Opened: Consisting of a Variety of Miscellaneous Pieces for the Instruction and Amusement of Young Persons. By Mrs. Barbauld and Dr. Aikin. In Two Volumes.},
  publisher={Cummings & Hilliard \& },
  address={Boston},    }
@book{ wphp_16300
  author={Aikin,John and Barbauld,Anna Laetitia},
  year={1813},
  title={Evenings at Home, or, The Juvenile Budget Opened: Consisting of a Variety of Miscellaneous Pieces for the Instruction and Amusement of Young Persons. By Mrs. Barbauld and Dr. Aikin. In Two Volumes.},
  publisher={Cummings & Hilliard \& },
  address={Boston},    }
@book{ wphp_17247
  author={Edgeworth,Maria},
  year={1813},
  title={Frank Part I. By the Author of The Parent's Assistant},
  publisher={Cummings & Hilliard},
  address={Boston},    }
@book{ wphp_17254
  author={Edgeworth,Maria},
  year={1813},
  title={Harry and Lucy, Being the First Part of Early Lessons. By Maria Edgeworth},
  publisher={Cummings & Hilliard},
  address={Boston},    }
@book{ wphp_20028
  author={Talbot,Catherine and Johnson,Samuel},
  year={1813},
  title={Reflections on the seven days of the week. By Catharine Talbot. To which is prefixed the life of the author. The profits arising from the sale of this edition are appropriated to the use of the Boston Female Asylum.},
  publisher={Cummings & Hilliard \& },
  address={Boston},    }
@book{ wphp_17324
  author={Edgeworth,Maria},
  year={1813},
  title={Rosamond Part I. Containing The Purple Jar--The Two Plums--The Day of Misfortunes--Rivuletta. By the Author of The Parent's Assistant.},
  publisher={Cummings & Hilliard},
  address={Boston},    }
@book{ wphp_19227
  author={Roberts,Margaret Wade},
  year={1813},
  title={Rose and Emily, or, Sketches of youth. By Mrs. Roberts, author of "Moral views; or The telescope for children."},
  publisher={Eastburn, Kirk and Co. \& Cummings & Hilliard},
  address={New York},    }
@book{ wphp_16286
  author={Adams,Hannah},
  year={1814},
  title={A Narrative of the Controversy Between the Rev. Jedidiah Morse, D.D. and the Author. By Hannah Adams.},
  publisher={},
  address={Boston},    }
@book{ wphp_18320
  author={Fenn,Ellenor},
  year={1814},
  title={Rational sports, in dialogues passing among the children of a family.  Designed as a hint to mothers how they inform the minds of their little people respecting the objects with which they are surrounded.},
  publisher={Cummings & Hilliard \& },
  address={Boston},    }
@book{ wphp_20336
  author={Wakefield,Priscilla},
  year={1816},
  title={Instinct displayed, in a collection of well-authenticated facts, exemplifying the extraordinary sagacity of various species of the animal creation. By Priscilla Wakefield. First American from the second London edition.},
  publisher={Cummings & Hilliard \& Timothy Swan \& },
  address={Boston},    }
@book{ wphp_16280
  author={Adams,Hannah},
  year={1817},
  title={A Dictionary of All Religions and Religious Denominations, Jewish, Heathen, Mahometan, and Christian, Ancient and Modern. With an Appendix, Containing a Sketch of the Present State of the World, as to Population, Religion, Toleration, Missions, etc. and the Articles in Which All Christian Denominations Agree. By Hannah Adams. Fourth Edition, with Corrections and Large Additions.},
  publisher={James Eastburn & Co. \& Cummings & Hilliard},
  address={New York},    }
@book{ wphp_17575
  author={du Crest de Saint-Aubin,Stéphanie Félicité},
  year={1817},
  title={A manual, containing the expressions most used in travelling, and in the different circumstances in life. By Madame de Genlis. In English and French. Corrected and amended by an Instructer [sic] of Languages.},
  publisher={Cummings & Hilliard \& },
  address={Boston},    }
@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},    }
@book{ wphp_17256
  author={Edgeworth,Maria},
  year={1818},
  title={Harry and Lucy, Being the First Part of Early Lessons. By Maria Edgeworth},
  publisher={Cummings & Hilliard \& },
  address={Boston},    }
@book{ wphp_17242
  author={Edgeworth,Maria},
  year={1822},
  title={Frank, a Sequel to Frank in Early Lessons. By Maria Edgeworth. In Two Vols.},
  publisher={Trustees of the Publishing Fund \& },
  address={Cambridge},    }