There are 7 titles associated with this firm.

@book{ wphp_14197
  author={Hughes,Mary Robson},
  year={1827},
  title={Aunt Mary's tales, for the entertainment and improvement of little boys. Addressed to her nephews.},
  publisher={Orville Augustus Roorbach [New York City]},
  address={New York City},    }
@book{ wphp_18914
  author={Opie,Amelia},
  year={1828},
  title={Detraction displayed. By Amelia Opie.},
  publisher={Orville Augustus Roorbach [New York City] \& },
  address={New York},    }
@book{ wphp_16019
  author={de Saluces,Mme.},
  year={1830},
  title={Foscarini; or, The patrician of Venice. In two volumes.},
  publisher={},
  address={New York},    }
@book{ wphp_16020
  author={de Saluces,Mme.},
  year={1830},
  title={Foscarini; or, The patrician of Venice. In two volumes.},
  publisher={},
  address={New York},    }
@book{ wphp_15347
  author={Bury,Charlotte Susan Maria Campbell},
  year={1830},
  title={The Exclusives. In Two Volumes.},
  publisher={},
  address={New York City},    }
@book{ wphp_761
  author={Bury,Charlotte Susan Maria Campbell},
  year={1830},
  title={The Separation. A Novel. By the Authoress of "Flirtation". In Two Volumes.},
  publisher={},
  address={New York City},    }
@book{ wphp_16619
  author={Bray,Anna Eliza},
  year={1831},
  title={The Talba, or Moor of Portugal. A Romance. By Mrs. Bray, Author of "The White Hoods," "The Protestant," "Fitz of Fitz-Ford," &c. &c. In Two Volumes.},
  publisher={James and John Harper [Cliff Street] \& H.C. Carey and I. Lea \& John Grigg \& },
  address={New York},    }