There are 11 titles associated with this firm.

@book{ wphp_18907
  author={Opie,Amelia},
  year={1808},
  title={Adeline Mowbray; or, The mother and daughter. A tale, in two volumes. By Mrs. Opie.  First American Edition.},
  publisher={Joseph Milligan \& },
  address={Georgetown},    }
@book{ wphp_17331
  author={Edgeworth,Maria},
  year={1809},
  title={Tales of Fashionable Life: by Miss Edgeworth, Author of Practical Education, Belinda, The Parent's Assistant, &c. In Two Volumes. First American Edition.},
  publisher={Joseph Milligan \& },
  address={Georgetown},    }
@book{ wphp_17298
  author={Edgeworth,Maria},
  year={1809},
  title={The Parent's Assistant; or, Stories for Children. By Maria Edgeworth, Author of Practical Education, and Letters for Literary Ladies. In Three Volumes.},
  publisher={Joseph Milligan \& },
  address={Georgetown},    }
@book{ wphp_19076
  author={Porter,Anna Maria},
  year={1810},
  title={Don Sebastian; or, The house of Braganza. An historical romance. Four volumes in two. By Miss Anna Maria Porter, authoress of The Hungarian brothers.},
  publisher={Mathew Carey [122 Market Street] \& },
  address={Philadelphia},    }
@book{ wphp_19101
  author={Porter,Jane},
  year={1810},
  title={The Scottish chiefs, a romance. : Five volumes in two. By Miss Jane Porter, author of Thaddeus of Warsaw, and Remarks on Sidney's aphorisms. (From the London edition of 1810.)},
  publisher={David Longworth \& },
  address={New York},    }
@book{ wphp_17274
  author={Edgeworth,Maria},
  year={1810},
  title={Letters for Literary Ladies. To Which is Added, An Essay on the Noble Science of Self-Justification. By Miss Edgeworth},
  publisher={Joseph Milligan},
  address={Georgetown},    }
@book{ wphp_18939
  author={Opie,Amelia},
  year={1810},
  title={Simple tales: by Mrs. Opie. Second American Edition.},
  publisher={Joseph Milligan},
  address={Georgetown},    }
@book{ wphp_17283
  author={Edgeworth,Maria},
  year={1810},
  title={The Modern Griselda. A Tale. By Miss Edgeworth, Author of The Parent's Assistant, Tales of Fashionable Life, Letters for Literary Ladies, Moral Tales, &c. First American Edition.},
  publisher={Joseph Milligan},
  address={Georgetown},    }
@book{ wphp_17288
  author={Edgeworth,Maria},
  year={1811},
  title={Moral Tales for Young People. By Maria Edgeworth, Author of The Parent's Assistant, Tales of Fashionable Life, &c. In Three Volumes.},
  publisher={Joseph Milligan},
  address={Georgetown},    }
@book{ wphp_18227
  author={Lamb,Mary and Lamb,Charles},
  year={1811},
  title={Mrs. Leicester's school: or, The history of several young ladies, related by themselves. First American Edition.},
  publisher={Joseph Milligan \& },
  address={Georgetown},    }
@book{ wphp_18917
  author={Opie,Amelia},
  year={1812},
  title={The father and daughter: a tale. By Amelia Opie.},
  publisher={William Cooper \& Joseph Milligan \& },
  address={Georgetown},    }