There are 4 titles associated with this person.

@book{ wphp_18376
  author={Marcet,Jane and Davy,Humphry},
  year={1809},
  title={Conversations on chemistry, in which the elements of that science are familiarly explained and illustrated by experiments and plates. To which are added, some late discoveries on the subject of the fixed alkalies, by H. Davy, Esq. of the Royal Society. A description and plate of the pneumatic cistern of Yale College.-- And, a short account of artificial mineral waters in the United States. : With an appendix, consisting of treatises on dyeing, tanning and currying},
  publisher={Increase Cooke & Co.},
  address={New Haven},    }
@book{ wphp_18377
  author={Marcet,Jane and Davy,Humphry},
  year={1813},
  title={Conversations on chemistry, in which the elements of that science are familiarly explained and illustrated by experiments and plates. : To which are added, some late discoveries on the subject of the fixed alkalies, by H. Davy, Esq. of the Royal Society. A description and plate of the pneumatic cistern of Yale College. And a short account of artificial mineral waters in the United States.  With an appendix, consisting of treatises on dyeing, tanning and currying.},
  publisher={Increase Cooke & Co. \& },
  address={New Haven},    }
@book{ wphp_18379
  author={Davy,Humphry and Bryan,Margaret and Marcet,Jane},
  year={1814},
  title={Conversations on chemistry. In which the elements of that science are familiarly explained and illustrated by experiments and plates. To which are added some late discoveries on the subject of the fixed alkalies. By H. Davy, Esq. of the Royal Society. A description and plate of the pneumatic cistern of Yale-College. And a short account of artificial mineral waters in the United States. With an appendix, consisting of treatises on dyeing, tanning and currying.},
  publisher={},
  address={New Haven},    }
@book{ wphp_18378
  author={Davy,Humphry and Bryan,Margaret and Marcet,Jane},
  year={1814},
  title={Conversations on chemistry. In which the elements of that science are familiarly explained and illustrated by experiments and plates. To which are added some late discoveries on the subject of the fixed alkalies. By H. Davy, Esq. of the Royal Society. A description and plate of the pneumatic cistern of Yale-College. And a short account of artificial mineral waters in the United States. With an appendix, consisting of treatises on dyeing, tanning, and currying.},
  publisher={Howe & Deforest \& Increase Cooke & Co.},
  address={New Haven},    }