Cosmos: a sketch of a physical description of the universe
Humboldt, Alexander von, 1769-1859
New York, Harper & Brothers, 1866
On t.-p. of v. 4: Tr. from the German by E.C. Otté and B.H. Paul; v. 5: Tr. from the German by E.C. Otté and W.S. Dallas.
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