There are 4 titles associated with this firm.

@book{ wphp_4486
  author={Robertson,Hannah},
  year={1784},
  title={The young ladies school of arts. Containing a great variety of practical receipts, in gum-flowers, filligree, japanning, Shell-Work, Gilding, Painting, Cosmetics, Jellies, Preserves, Cakes, Cordials, Creams, Jamms, Pickles, Candying, Made Wines, Clear Starching, &c together with directions for breeding canary birds, and breeding, nursing, and ordering of the silk-worm. Also a great many Curious Receipts, both useful and entertaining, never before published. By Mrs. Hannah Robertson. The fourth edition, with large additions.},
  publisher={Robert Spence},
  address={York},    }
@book{ wphp_5432
  author={Pennington,Sarah},
  year={1789},
  title={An unfortunate mother's advice to her absent daughters, in a letter to Miss Pennington. By the Late Lady Pennington. A new edition.},
  publisher={Robert Spence \& Thomas Wilson [London House Yard] \& W. Law \& R. Cater \& A. Millar},
  address={London},    }
@book{ wphp_1667
  author={Peckham,Ann},
  year={1790},
  title={The complete English cook; or, Prudent housewife. Being a collection of the most general, yet least expensive receipts in every branch of cookery and good housewifery. With directions for roasting, boiling, stewing, ragoos, soops, sauces, fricassees, pies, tarts, puddings, cheese-cakes, custards, jellies, potting, candying, collaring, pickling, preserving, made wines, &c. Together with directions for placing dishes on tables of entertainment: and many other things equally necessary. The whole made easy to the meanest capacity, and far more useful to young beginners than any book of the kind extant. By Ann Peckham, of Leeds, well known to have been for forty years one of the most noted cooks in the county of York. The Fourth Edition. To Which Is Added, A Supplement, Containing Forty-Nine Receipts, Never Before Printed.},
  publisher={Robert Spence \& Thomas Wilson [London House Yard] \& Thomas Wright},
  address={Leeds},    }
@book{ wphp_11872
  author={Burton,Margaret},
  year={1816},
  title={Poetical Effusions on Subjects Religious, Moral, and Rural. By Margaret Burton, of Darlington.},
  publisher={},
  address={London},    }