There are 3 titles associated with this firm.

@book{ wphp_3052
  author={Haywood,Eliza},
  year={1752},
  title={The history of Miss Betsy Thoughtless, in two volumes.},
  publisher={Robert Main},
  address={Dublin},    }
@book{ wphp_3030
  author={Haywood,Eliza},
  year={1753},
  title={The history of Jemmy and Jenny Jessamy. By the author of The history of Betsy Thoughtless.},
  publisher={Robert Main},
  address={Dublin},    }
@book{ wphp_3078
  author={Haywood,Eliza},
  year={1755},
  title={The Invisible Spy. By Exploralibus.},
  publisher={Robert Main},
  address={Dublin},    }