There are 3 titles associated with this firm.

@book{ wphp_9451
  author={Mahony,Agnes},
  year={1825},
  title={A Minstrel's Hours of Song; or Poems by Agnes Mahony.},
  publisher={William Pickering \& },
  address={London},    }
@book{ wphp_1153
  author={Coleridge,Samuel Taylor},
  year={1827},
  title={Biographia Literaria; or, Biographical Sketches of My Literary Life and Opinions},
  publisher={William Pickering},
  address={London},    }
@book{ wphp_11775
  author={},
  year={1835},
  title={Specimens of the Early Poetry of France from the Time of the Troubadours and Trouveres to the Reign of Henri Quatre by Louisa Stuart Costello},
  publisher={William Pickering \& },
  address={London},    }