There are 3 titles associated with this firm.

@book{ wphp_6145
  author={Deverell,Mary},
  year={1776},
  title={Sermons on various subjects. By Mary Deverell, Gloucestershire. The second edition, revised and enlarged by the author. With an additional discourse on the duty of thanksgiving.},
  publisher={George and Thomas Wilkie \& },
  address={London},    }
@book{ wphp_6556
  author={Deverell,Mary},
  year={1777},
  title={Sermons on various subjects. By Mary Deverell, ... The third edition, revised and enlarged by the author. With an additional discourse on the duty of thanksgiving.},
  publisher={},
  address={London},    }
@book{ wphp_8083
  author={Walker,Mary},
  year={1782},
  title={The life of Mrs. Justman},
  publisher={John Lewis [Piccadilly]},
  address={London},    }