There are 3 titles associated with this firm.

@book{ wphp_13456
  author={Williams,Helen Maria and de Saint-Pierre,Jacques-Henri Bernardin},
  year={1814},
  title={Paul and Virginia: translated from the French  of Bernardin Saint-Pierre; by Helen Maria Williams. Ninth edition. With six elegant engravings.},
  publisher={Longman, Hurst, Rees, Orme, and Brown \& A. K. Newman and Co. \& Francis, Charles and John Rivington \& Benjamin and Richard Crosby and Co. \& George Cowie and Co. \& Walker, Edwards, and Reynolds \& },
  address={London},    }
@book{ wphp_290
  author={de Maistre,Xavier},
  year={1817},
  title={The Leper of the City of Aoste: A Narrative. Translated from the French, by Helen Maria Williams.},
  publisher={George Cowie and Co. \& },
  address={London},    }
@book{ wphp_860
  author={Hofland,Thomas Christopher and Hofland,Barbara},
  year={1819},
  title={A Descriptive Account of the Mansion and Gardens of White-Knights, a seat of his Grace the Duke of Marlborough. By Mrs. Hofland.},
  publisher={},
  address={London},    }