Das Reich Der Luft (German Edition)
Earth and its treasures
Earth and Its Treasures: A Description of the Metallic and Mineral Wealth of Nature
Earth and Its Treasures Tr., Ed., and with Additions, by W.H.D. Adams
L'air Et Le Monde Aerien (French Edition)
`la Navigation Aerienne (French Edition)
Les Mysteres de L'Ocean (French Edition)
Les Plantes Utiles
Voyages Et Decouvertes Outre-Mer Au Xixe Siecle (French Edition)