Cosmos
A Sketch Of A Physical Description Of The Universem, Volume Iii »

Kritische Untersuchungen über die historische Entwicklung der geografischen Kenntnisse von der neuen Welt (1852)
Kritische Untersuchungen über die historische Entwicklung der geografischen Kenntnisse von der neuen Welt (1852) »

Aspects Of Nature (1850)
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Aspects of Nature in Different Lands and Different Climates
V. 2: V. 1 & V. 2: Aspects Of Nature In Different Lands And Different Climates »

The Travels and Researches of Alexander Von Humboldt; Being a Condensed Narrative of His Journeys in the Equinoctial Regions of America, and in Asiatic Russia Together with Analysis of His More Important Investigations
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Cosmos
Five of Five Volumes. Translated By E.C. Otte B.H. Paul and W.S. Dallas.Bohns Scientific Library. »

Viaje A Las Regiones Equinocciales Del Nuevo Continente Hecho En ..., Volume 3
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Travels and Researches of Alexander Von Humboldt
Being A Condensed Narrative Of His Journeys In The Equinoctial Regions Of America, And In Asiatic Russia : Together With Analysis Of His More Important Inves... »

Im Ural und Altai
Im Ural und Altai »

Fragmens De Geologie Et De Climatologie Asiatiques 2 Volume Set
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