There are 3 titles associated with this person.

@book{ wphp_892
  author={von Pückler-Muskau,Hermann Ludwig Heinrich},
  year={1832},
  title={Tour in England, Ireland, and France, in the Years 1828 & 1829; with Remarks on the Manners and Customs of the Inhabitants, and Anecdotes of Distinguished Public Characters. In a Series of Letters by a German Prince. In Two Volumes.},
  publisher={Effingham Wilson [Royal Exchange] \& },
  address={London},    }
@book{ wphp_14406
  author={von Pückler-Muskau,Hermann Ludwig Heinrich},
  year={1832},
  title={Tour in Germany, Holland and England, in the Years 1826, 1827, & 1828; with Remarks on the Manners and Customs of the Inhabitants, and Anecdotes of Distinguished Public Characters. In a Series of Letters. By a German Prince. In Four Volumes.},
  publisher={Effingham Wilson [Royal Exchange] \& },
  address={London},    }
@book{ wphp_14636
  author={von Pückler-Muskau,Hermann Ludwig Heinrich},
  year={1833},
  title={Tour in England, Ireland, and France, in the Years 1828 & 1829; with Remarks on the Manners and Customs of the Inhabitants, and Anecdotes of Distinguished Public Characters. In a Series of Letters by a German Prince.},
  publisher={Carey, Lea, and Blanchard},
  address={Philadelphia},    }