There are 3 titles associated with this firm.

@book{ wphp_17329
  author={Edgeworth,Maria},
  year={1822},
  title={Tales of Fashionable Life. By Maria Edgeworth. Six Volumes in Two.},
  publisher={Eliakim Trenchard Littell \& Robert Norris Henry \& Samuel Hale Parker [12 Cornhill] \& },
  address={Philadelphia},    }
@book{ wphp_17314
  author={Edgeworth,Maria},
  year={1823},
  title={Popular tales. By Maria Edgeworth. Complete in one volume. Containing Lame Jervas. The will. Limerick gloves. Out of debt out of danger. The lottery. Rosanna. Murad the unlucky. The manufacturers. The contract. The grateful negro. To-morrow.},
  publisher={Samuel Hale Parker [12 Cornhill] \& Eliakim Trenchard Littell \& Robert Norris Henry \& Munroe and Francis [4 Cornhill]},
  address={Boston},    }
@book{ wphp_17350
  author={Edgeworth,Maria},
  year={1824},
  title={Works of Maria Edgeworth. Complete in Thirteen Volumes.},
  publisher={Samuel Hale Parker [12 Cornhill] \& Eliakim Trenchard Littell \& Robert Norris Henry \& Munroe and Francis [128 Washington] \& Samuel Hale Parker [164 Washington] \& Munroe and Francis [4 Cornhill] \& Samuel Hale Parker [98 Washington-Street]},
  address={Boston},    }