There are 6 titles associated with this firm.

@book{ wphp_3488
  author={Rowe,Elizabeth Singer},
  year={1755},
  title={Friendship in death: in twenty letters from the dead to the living. To which are added, letters moral and entertaining, in prose and verse: in three parts. By Mrs. Elizabeth Rowe. To which is prefix'd, an account of the author's life.},
  publisher={William Gray \& },
  address={Edinburgh},    }
@book{ wphp_3488
  author={Rowe,Elizabeth Singer},
  year={1755},
  title={Friendship in death: in twenty letters from the dead to the living. To which are added, letters moral and entertaining, in prose and verse: in three parts. By Mrs. Elizabeth Rowe. To which is prefix'd, an account of the author's life.},
  publisher={William Gray \& },
  address={Edinburgh},    }
@book{ wphp_3485
  author={Rowe,Elizabeth Singer},
  year={1766},
  title={Devout exercises of the heart, in meditation and soliloquy, prayer and praise. By the late pious and ingenious Mrs Elizabeth Rowe. Reviewed and published at her request by I. Watts, D.D.},
  publisher={William Gray},
  address={Edinburgh},    }
@book{ wphp_3283
  author={Cleland,Elizabeth},
  year={1770},
  title={A new and easy method of cookery, Treating, I. Of gravies, soups, broths, &c. II. Of fish, and their sauces. III. To pot and make hams, &c. IV. Of pies, pasties, &c. V. Of pickling and preserving. VI. Of made wines, distilling and brewing, &c. To which are added, by way of appendix, fifty-three new and useful receipts, and directions for carving. By Elizabeth Cleland. Chiefly intended for the benefit of the young ladies who attend her school. The third edition.},
  publisher={William Gray \& R. Fleming \& },
  address={Edinburgh},    }
@book{ wphp_3283
  author={Cleland,Elizabeth},
  year={1770},
  title={A new and easy method of cookery, Treating, I. Of gravies, soups, broths, &c. II. Of fish, and their sauces. III. To pot and make hams, &c. IV. Of pies, pasties, &c. V. Of pickling and preserving. VI. Of made wines, distilling and brewing, &c. To which are added, by way of appendix, fifty-three new and useful receipts, and directions for carving. By Elizabeth Cleland. Chiefly intended for the benefit of the young ladies who attend her school. The third edition.},
  publisher={William Gray \& R. Fleming \& },
  address={Edinburgh},    }
@book{ wphp_7633
  author={MacIver,Susanna},
  year={1774},
  title={Cookery, and pastry. As taught and practised by Mrs. Maciver, teacher of those arts in Edinburgh.},
  publisher={},
  address={Edinburgh},    }