There are 4 titles associated with this firm.

@book{ wphp_112
  author={Leadbeater,Mary},
  year={1813},
  title={The Landlord's Friend. Intended as a Sequel to Cottage Dialogues},
  publisher={J. Cumming \& },
  address={Dublin},    }
@book{ wphp_975
  author={},
  year={1814},
  title={Klopstock and His Friends: A Series of Familiar Letters, written between the years 1750 and 1803. Translated from the German, with a Biographical Introduction. bu Miss Benger.},
  publisher={Henry Colburn [Conduit Street] \& },
  address={London},    }
@book{ wphp_8498
  author={Hervey,Elizabeth},
  year={1814},
  title={The Mourtray Familyon. A novel by Mrs. Hervey, Author of Amabel; or Memoirs of a Woman of Fashion. The third edition. In four volumes.},
  publisher={Henry Colburn [Conduit Street] \& },
  address={London},    }
@book{ wphp_11782
  author={},
  year={1828},
  title={Poetry for Children, Consisting of Short Pieces to be Committed to Memory},
  publisher={J. Cumming},
  address={Dublin},    }