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DieKunstSchnellVolapukZuLernen. Grabado en la pgina siguiente la portada portada interior Sale una alegora de hombres de las diferentes razas hablando entre en volapk Die Kunst die internationale Verkehrssprache VOLAP schnell zu erlernen Julius Lott Hartleben's Verlag Wien author PDold Die Kunst die internationale Verkehrssprache