There are 2 titles associated with this firm.

@book{ wphp_12511
  author={Strickland,Mrs. M.},
  year={1793},
  title={Miscellaneous Poems, and Other Compositions},
  publisher={Robert Trewman and Son [High Street]},
  address={Exeter},    }
@book{ wphp_7088
  author={Webb,Mrs.},
  year={1795},
  title={A letter to His Grace the Duke of Portland, on the late alarming parties in this country, by Mrs. Webb.},
  publisher={Benjamin Robert Haydon \& },
  address={Plymouth},    }