There are 2 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_6175
  author={Deverell,Mary},
  year={1781},
  title={Miscellanies in prose and verse, mostly written in the epistolary style: chiefly upon moral subjects, and particularly calculated for the improvement of younger minds. By Mrs. M. Deverell, Gloucestershire. ...},
  publisher={},
  address={London},    }