There are 7 titles associated with this person.

@book{ wphp_5334
  author={Walker,Mary},
  year={1776},
  title={Letters from the Duchess de Crui and others, on subjects moral and entertaining, wherein the character of the female sex, with their rank, importance, and consequence, is stated, and their relative duties in life are enforced. By a lady. ...},
  publisher={James Robson \& John Walter [Homer's Head, Charing Cross]},
  address={London},    }
@book{ wphp_5333
  author={Walker,Mary},
  year={1776},
  title={Letters from the Duchess de Crui and others, on subjects moral and entertaining. Wherein the character of the female sex, with their rank, importance, and consequence, is stated, and their relative duties in life are enforced. By Lady Mary Walker. The Third Edition corrected, ...},
  publisher={Henry Whitestone [Capel Street] \& James Williams [21 Skinner Row] \& Samuel Price [Henry Street] \& William Whitestone [Skinner Row] \& Richard Fitzsimons \& Thomas Wilkinson (I) \& James Parker},
  address={Dublin},    }
@book{ wphp_5483
  author={Walker,Mary},
  year={1777},
  title={Letters from the Duchess de Crui and others, on subjects moral and entertaining, wherein the character of the female sex, with their rank, importance, and consequence, is stated, and their relative duties in life are enforced. By Lady Mary Walker. The second edition, corrected.},
  publisher={James Robson \& John Walter [Homer's Head, Charing Cross]},
  address={London},    }
@book{ wphp_5179
  author={Walker,Mary},
  year={1777},
  title={Memoirs of the Marchioness de Louvoi. In letters. By a lady. In three volumes. ...},
  publisher={James Robson \& John Walter [Homer's Head, Charing Cross]},
  address={London},    }
@book{ wphp_5386
  author={Walker,Mary},
  year={1778},
  title={Munster village, a novel. In two volumes.},
  publisher={John Walter [Homer's Head, Charing Cross] \& James Robson and Co.},
  address={London},    }
@book{ wphp_5471
  author={Walker,Mary},
  year={1779},
  title={Munster village, a novel. In two volumes.},
  publisher={},
  address={Dublin},    }
@book{ wphp_8083
  author={Walker,Mary},
  year={1782},
  title={The life of Mrs. Justman},
  publisher={John Lewis [Piccadilly]},
  address={London},    }