G. (Georg) Hartwig
4 books in our directory
The Polar World A popular description of man and nature in the Arctic and Antarctic regions of the globe
G. (Georg) Hartwig
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Natural historyAntarctica
The Sea and Its Living Wonders A Popular Account of the Marvels of the Deep and of the Progress of Martime Discovery from the Earliest Ages to the Present Time
G. (Georg) Hartwig
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Animal behaviorDiscoveries in geography
The Subterranean World
G. (Georg) Hartwig
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GeologyMines and mineral resources
The Tropical World Aspects of man and nature in the equatorial regions of the globe.
G. (Georg) Hartwig
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Natural history -- TropicsTropics