There are 2 titles associated with this firm.

@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},    }
@book{ wphp_7709
  author={Centlivre,Susanna},
  year={1770},
  title={The Busy Body, a Comedy. As it is now acted at the Theatres Royal in Drury-Lane and Covent-Garden. Written by Mrs. Susanna Centlivre.},
  publisher={S. Langford \& Robert Smith \& P. Stokes \& M. Collin \& H. Cooper},
  address={London},    }