There are 16 titles associated with this person.

@book{ wphp_6376
  author={Hays,Mary},
  year={1791},
  title={Cursory remarks on An enquiry into the expediency and propriety of public or social worship: inscribed to Gilbert Wakefield, ... By Eusebia.},
  publisher={Thomas Knott [Lombard Street]},
  address={London},    }
@book{ wphp_6185
  author={Hays,Mary},
  year={1792},
  title={Cursory remarks on An enquiry into the expediency and propriety of public or social worship: inscribed to Gilbert Wakefield, B. A. Late Fellow of Jesus-College, Cambridge. By Eusebia.},
  publisher={Thomas Knott [Lombard Street]},
  address={London},    }
@book{ wphp_6507
  author={Hays,Mary},
  year={1793},
  title={Letters and essays, moral, and miscellaneous. By Mary Hays.},
  publisher={Thomas Knott [Lombard Street]},
  address={London},    }
@book{ wphp_6214
  author={Hays,Mary},
  year={1796},
  title={Memoirs of Emma Courtney. By Mary Hays. In two volumes. ...},
  publisher={George, George, and John Robinson},
  address={London},    }
@book{ wphp_6456
  author={Hays,Mary},
  year={1798},
  title={Appeal to the men of Great Britain in behalf of women.},
  publisher={Joseph Bell \& Joseph Johnson},
  address={London},    }
@book{ wphp_6526
  author={Hays,Mary},
  year={1798},
  title={Appeal to the men of Great Britain in behalf of women.},
  publisher={Joseph Bell \& Joseph Johnson},
  address={London},    }
@book{ wphp_6500
  author={Hays,Mary},
  year={1799},
  title={The victim of prejudice. In two volumes. By Mary Hays, author of The Memoirs of Emma Courtney.},
  publisher={Joseph Johnson},
  address={London},    }
@book{ wphp_17790
  author={Hays,Mary},
  year={1802},
  title={Memoirs of Emma Courtney. By Mary Hays. Two volumes in one.},
  publisher={Hugh M. Griffith},
  address={New York City},    }
@book{ wphp_417
  author={Hays,Mary},
  year={1803},
  title={Female Biography; or, Memoirs of Illustrious and Celebrated Women, of All Ages and Countries. Alphabetically Arranged. By Mary Hays. In six volumes.},
  publisher={Richard Phillips [St. Paul's Churchyard] \& },
  address={London},    }
@book{ wphp_354
  author={Hays,Mary},
  year={1804},
  title={Harry Clinton: A Tale for Youth},
  publisher={},
  address={London},    }
@book{ wphp_14907
  author={Hays,Mary},
  year={1806},
  title={Historical Dialogues for Young Persons.},
  publisher={Joseph Johnson \& Joseph Mawman [Poultry]},
  address={London},    }
@book{ wphp_107
  author={Hays,Mary and Smith,Charlotte Turner},
  year={1806},
  title={The History of England, from the earliest records, to the peace of Amiens in a series of letters to a young lady at school. By Charlotte Smith. Three Volumes.},
  publisher={Richard Phillips [6 Bridge Street] \& },
  address={London},    }
@book{ wphp_14906
  author={Hays,Mary},
  year={1807},
  title={Female Biography; or, Memoirs of Illustrious and Celebrated Women, of All Ages and Countries. Alphabetically Arranged. By Mary Hays. First American Edition, in Three Volumes.},
  publisher={Birch and Small \& },
  address={Philadelphia},    }
@book{ wphp_451
  author={Hays,Mary},
  year={1815},
  title={The Brothers; or, Consequences. A Story of What Happens Every Day. Addressed to that Most Useful Part of the Community, the Labouring Poor},
  publisher={},
      }
@book{ wphp_745
  author={Hays,Mary},
  year={1817},
  title={Family Annals; or, The Sisters. By Mary Hays, "Author of the Brothers, Female Biography, Historical Dialogues for Young Persons, Harry Clinton, a Tale for Youth, &c. &c."},
  publisher={W. Simpkin and R. Marshall},
  address={London},    }
@book{ wphp_894
  author={Hays,Mary},
  year={1821},
  title={Memoirs of Queens, Illustrious and Celebrated. By Mary Hays, Author of the Female Biography, Historical Dialogues, Harry Clinton, The Brothers, Family Annals, &c. &c.},
  publisher={Thomas and Joseph Allman [Princes St] \& },
  address={London},    }