There are 2 titles associated with this person.

@book{ wphp_22512
  author={Gethin,Grace},
  year={1700},
  title={Misery is virtues whet-stone. Reliquiæ Gethinianæ, or, Some remains of the most ingenious and excellent lady, Grace Lady Gethin, lately deceased. Being a collection of choice discourses, pleasant apothegmes, and witty sentences. Written by her for the most part, by way of essay, and at spare hours. Published by her nearest relations to preserve her memory, and digested for method's sake under proper heads. The 2d edition. Unto which is added A funeral sermon. With the inscription on her monument.},
  publisher={},
  address={London},    }
@book{ wphp_23981
  author={Gethin,Grace},
  year={1703},
  title={Misery is vertues whetstone. Reliquiæ Gethinianæ. Or some remains of the most ingenious and excellent lady, Grace Lady Gethin. Lately deceased. Being a collection of choice discourses, pleasant, apothegmes, and witty sentences. Written by her for the most part, by way of essay, and at spare hours. Published by her nearest relations to preserve her memory, and digested for method's sake under proper heads. The third edition. With a coppy of verses written by Mr. Congreve. Unto which is added a funeral sermon. With the inscription on her Monument.},
  publisher={John Graves},
  address={London},    }