There are 10 titles associated with this firm.

@book{ wphp_17794
  author={Head,Thomasen and Franks,James},
  year={1812},
  title={The pious mother, or Evidences for Heaven. Written in the year 1650. By Mrs. Thomasen Head for the benefit of her children. Published from the original manuscript by James Franks, A.M. Curate of Halifax. Second American Edition.},
  publisher={},
  address={Cambridge},    }
@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_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_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},    }
@book{ wphp_21881
  author={Edgeworth,Maria},
  year={1822},
  title={Frank, a Sequel to Frank in Early Lessons. By Maria Edgeworth. In Two Vols.},
  publisher={},
  address={Cambridge},    }
@book{ wphp_14289
  author={Child,Lydia Maria Francis},
  year={1824},
  title={Hobomok, a tale of early times. By an American.},
  publisher={Cummings, Hilliard and Co. \& },
  address={Boston},    }
@book{ wphp_16283
  author={Adams,Hannah},
  year={1824},
  title={Letters on the Gospels. By Miss Hannah Adams.},
  publisher={},
  address={Cambridge},    }