There are 7 titles associated with this firm.

@book{ wphp_8945
  author={Fileul,Adélaïde-Marie-Emilie},
  year={1811},
  title={A Peep into the Thuilleries; or, Parisian Manners: Including the Amours of Eugene de Rothelin. A Novel, in two volumes. By the Author of 'Adela de Senange'.},
  publisher={Michael Allen and Co. \& },
  address={London},    }
@book{ wphp_8945
  author={Fileul,Adélaïde-Marie-Emilie},
  year={1811},
  title={A Peep into the Thuilleries; or, Parisian Manners: Including the Amours of Eugene de Rothelin. A Novel, in two volumes. By the Author of 'Adela de Senange'.},
  publisher={Michael Allen and Co. \& },
  address={London},    }
@book{ wphp_8373
  author={Hamilton,Ann Mary},
  year={1811},
  title={A Winter at St. James's; or, Modern Manners. A Novel. In four volumes. By A. Hamilton, author of "The Irishwoman in London," &c.},
  publisher={Michael Allen and Co.},
  address={London},    }
@book{ wphp_8948
  author={Bayley,Catharine},
  year={1812},
  title={A Set-Down at Court; Including a Series of Anecdotes in High Life, and the History of Monthemar. A Novel, founded on fact. In Four Volumes. By Kate Mont Albion, author of "Caledonia,"—"Lover's Labours,"—"Spanish Lady and Norman Knight," &c. &c.},
  publisher={Michael Allen and Co. \& },
  address={London},    }
@book{ wphp_8951
  author={Hamilton,Ann Mary},
  year={1812},
  title={The Monk's Daughter; or, Hypocrisy Punished. A Novel, in three volumes. By Mrs Hamilton, author of "A Winter at St. James's,"—"French Emigrants, or Suppositious Heiress," &c. &c.},
  publisher={Michael Allen and Co. \& },
  address={London},    }
@book{ wphp_8948
  author={Bayley,Catharine},
  year={1812},
  title={A Set-Down at Court; Including a Series of Anecdotes in High Life, and the History of Monthemar. A Novel, founded on fact. In Four Volumes. By Kate Mont Albion, author of "Caledonia,"—"Lover's Labours,"—"Spanish Lady and Norman Knight," &c. &c.},
  publisher={Michael Allen and Co. \& },
  address={London},    }
@book{ wphp_8951
  author={Hamilton,Ann Mary},
  year={1812},
  title={The Monk's Daughter; or, Hypocrisy Punished. A Novel, in three volumes. By Mrs Hamilton, author of "A Winter at St. James's,"—"French Emigrants, or Suppositious Heiress," &c. &c.},
  publisher={Michael Allen and Co. \& },
  address={London},    }