"Harper & Brothers." . . . . "Austria" . . "Switzerland" . . "Alpi - Descrizioni letterarie." . . "Austria - Descrizioni letterarie." . . "Francia - Descrizioni letterarie." . . "Europe" . . "France" . . . . . . . . . . . "Central Europe"@en . . . . . . . . "The boy travellers in central Europe adventures of two youths in a journey through France, Switzerland, and Austria, with excursions among the Alps of Switzerland and the Tyrol"@en . . "Publishers' catalogues" . "Publishers' catalogues"@en . "Travelogue storybooks" . "Travelogue storybooks"@en . . . "Fiction"@en . . . . "The boy travellers in central Europe : adventures of two youths in a journey through France, Switzerland, and Austria, with excursion among the Alps of Switzerland and the Tyrol" . . . . "The boy travellers in central Europe. Adventures of two youths in a journey through France, Switzerland, and Austria, with excursions among the Alps of Switzerland and the Tyrol" . . . . . "The boy travellers in central Europe : adventures of two youths in a journey through France, Switzerland, and Austria, with excursions among the Alps of Switzerland and the Tyrol"@en . . "Juvenile works"@en . . "Knox's Boy travellers, Central Europe"@en . . . . "Svizzera - Descrizioni letterarie." . .