There are 3 titles associated with this firm.

@book{ wphp_23833
  author={Haywood,Eliza},
  year={1726},
  title={Reflections on the various effects of love, according to the contrary dispositions of the person on whom it operates. Illustrated with a great many examples ... Collected from the best ancient and modern histories. Intermix'd with the latest amours and intrigues ... Written by the author of The mercenary lover. The second edition.},
  publisher={N. Dobb},
  address={London},    }
@book{ wphp_23762
  author={Haywood,Eliza},
  year={1726},
  title={Reflections on the various effects of love, according to the contrary dispositions of the persons on whom it operates. Illustrated with a great many examples ... Collected from the best ancient and modern histories. Intermix'd with the latest amours and intrigues ... Written by the author of The mercenary lover.},
  publisher={N. Dobb},
  address={London},    }
@book{ wphp_23808
  author={Haywood,Eliza},
  year={1728},
  title={The mercenary lover: or, the unfortunate heiresses. Being a true secret history of a city amour. By the author of Reflections on the various effects of love. The third edition. To which is added, the padlock: or, no guard without virtue. A novel.},
  publisher={N. Dobb},
  address={London},    }