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- Hörbuch1900Ingersoll Lockwood
- HörbuchThe Travels and Adventures of Little Baron TrumpIngersoll Lockwood
- HörbuchBaron Trump's marvellous underground journey - Original EditionIngersoll Lockwood
- HörbuchBaron Trump's Marvellous Underground Journey (Unabridged)Ingersoll Lockwood
- Hörbuch1900, OrIngersoll Lockwood
- Hörbuch1900, or the Last PresidentIngersoll Lockwood
- Hörbuch1900 or The Last PresidentIngersoll Lockwood
- HörbuchTravels and Adventures of Little Baron Trump and His Wonderful Dog BulgerIngersoll Lockwood