AlpenflugAuthorMittelholzer, WalterPlaceZürich, FüssliYear1928ShelfmarkLBS 6SystematicsShow more• Flight routes, route schedules• Personalities• Flight routes, route schedules• PersonalitiesReferences to personsShow moreAutor: Walter Mittelholzer (1894 - 1937)Autor: Walter Mittelholzer (1894 - 1937)