There are 4 titles associated with this person.

@book{ wphp_2638
  author={Pitt,Villiers Clara},
  year={1758},
  title={Heads of a scheme for erecting publick magazines, to relieve the necessities of the poor, and supply England with Corn. By a person of distinction.},
  publisher={},
  address={London},    }
@book{ wphp_2635
  author={Pitt,Villiers Clara},
  year={1758},
  title={Heads of a scheme for erecting publick magazines, to relieve the necessities of the poor, and supply England with corn. By Villars Clara Pitt, fourth Sister to the Right Honourable William Pitt, Esq; Principal Secretary of State. The second edition.},
  publisher={},
  address={London},    }
@book{ wphp_2636
  author={Pitt,Villiers Clara},
  year={1759},
  title={The character, and necessary qualifications, of a British minister of state. In a Letter to a Member of Parliament, 1759. By a Lady.},
  publisher={Mary Cooper},
  address={London},    }
@book{ wphp_2637
  author={Pitt,Villiers Clara},
  year={1759},
  title={The character, and necessary qualifications, of a British minister of state. In a letter to a Member of Parliament, 1759. By Villiers Clara Pitt.},
  publisher={Mary Cooper},
  address={London},    }