There are 4 titles associated with this firm.

@book{ wphp_14994
  author={Holderness,Mary},
  year={1827},
  title={Journey from Riga to the Crimea, with Some Account of the Manners and Customs of the Colonists of New Russia. By M. Holderness. Second Edition},
  publisher={Sherwood, Gilbert, & Piper \& },
  address={London},    }
@book{ wphp_10391
  author={Winter,Susan and Vince,Elizabeth},
  year={1829},
  title={The Mystic Wreath; or, Evening Pastime: Consisting of Enigmatical Poems, Charades, Anagrams, Conundrums, Rebuses, &c. &c. By Susan and Elizabeth.},
  publisher={},
  address={London},    }
@book{ wphp_9409
  author={Jones,Hannah Maria},
  year={1829},
  title={Emily Moreland; or, The Maid of the Valley: By the Author Of "Rosaline Woodbridge." In three volumes.},
  publisher={Sherwood, Gilbert, & Piper \& },
  address={London},    }
@book{ wphp_1418
  author={Stanhope,Louisa Sidney},
  year={1835},
  title={Sydney Beresford. A Tale of the Day. By the Author of the Bandit’s Bride, &C. In Three Volumes.},
  publisher={Sherwood, Gilbert, & Piper \& },
  address={London},    }