There are 2 titles associated with this firm.

@book{ wphp_1573
  author={Smyth,Agnes},
  year={1783},
  title={The religion of the heart, delineated in a series of letters, written by Mrs. Agnes Smyth.},
  publisher={},
  address={London},    }
@book{ wphp_1772
  author={Finlayson,Ann},
  year={1788},
  title={A case of great distress. Henry Finlayson, ...},
  publisher={},
  address={London},    }