There are 3 titles associated with this firm.

@book{ wphp_2638
  author={Pitt,Villiers Clara},
  year={1758},
  title={Heads of a scheme for erecting publick magazines, to relieve the necessities of the poor, and supply England with Corn. By a person of distinction.},
  publisher={},
  address={London},    }
@book{ wphp_2635
  author={Pitt,Villiers Clara},
  year={1758},
  title={Heads of a scheme for erecting publick magazines, to relieve the necessities of the poor, and supply England with corn. By Villars Clara Pitt, fourth Sister to the Right Honourable William Pitt, Esq; Principal Secretary of State. The second edition.},
  publisher={},
  address={London},    }
@book{ wphp_5589
  author={Pilkington,Laetitia},
  year={1759},
  title={Mrs. Pilkington's jests: or The cabinet of wit and humour. Being a choice collection of the most brillant jokes, facetious puns, smart repartees, and entertaining tales, in prose and verse. Likewise, epigrams, epitaphs, connundrums, pleasant bulls, &c. Calculated to accommodate all who have a relish for mirth and good humour, and who are desirous of being facetious and entertaining in company.},
  publisher={S. Langford \& Thomas Kinnersly \& Mrs. Jones},
  address={London},    }