There are 5 titles associated with this firm.

@book{ wphp_9674
  author={Radcliffe,Ann},
  year={1833},
  title={The Posthumous Works of Anne Radcliffe, Authoress of The Mysteries of Udolpho, &c. Comprising Gaston De Blondeville, A Romance; St. Alban's Abbey, a Metrical Tale, with various poetical pieces. To which is prefixed a memoir of the authoress, with extracts from her private journals. In four volumes.},
  publisher={Henry Colburn [Windsor] \& Richard Bentley},
  address={London},    }
@book{ wphp_8888
  author={Gardiner,Marguerite},
  year={1834},
  title={Conversations of Lord Byron with the Countess of Blessington.},
  publisher={Henry Colburn [Windsor] \& Richard Bentley},
  address={London},    }
@book{ wphp_9356
  author={Bury,Charlotte Susan Maria Campbell},
  year={1834},
  title={Flirtation. In three volumes.},
  publisher={Henry Colburn [Windsor] \& Richard Bentley},
  address={London},    }
@book{ wphp_9677
  author={Radcliffe,Ann},
  year={1834},
  title={The Poetical Works of Anne Radcliffe. St. Alban's Abbey, a Metrical Romance; with Other Poems. By Anne Radcliffe, authoress of "the Mysteries of Udolpho," "Romance of the Forest," &c.},
  publisher={Richard Bentley \& Henry Colburn [Windsor]},
  address={London},    }
@book{ wphp_9023
  author={Owenson,Sydney},
  year={1835},
  title={O'Donnel. A National Tale. By Lady Morgan. Revised edition, Complete in One Volume.},
  publisher={John Cumming \& John Bell and John Bradfute [12 Bank Street] \& Henry Colburn [Windsor] \& Richard Bentley},
  address={London},    }