Alexander von Humboldt

COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1

Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1

Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3

Reise in die Aequinoctial-Gegenden des neuen Continents. Band 1.

Rede, gehalten bei der Eröffnung der Versammlung deutscher Naturforscher und Ärzte in Berlin, am 18. September 1828

Ideen zu einer Physiognomik der Gewächse

Cosmos: A Sketch Of A Physical Description Of The Universe: Introduction (Unabridged)

Personal Narrative Of Travels To The Equinoctial Regions Of America, During The Years 1799-1804, Vol.2 (Unabridged)

Personal Narrative Of Travels To The Equinoctial Regions Of America, During The Years 1799-1804, Vol.1 (Unabridged)

Fahrt auf dem Orinoko

Das Buch der Begegnungen (ungekürzt)

Personal Narrative of Travels to the Equinoctial Regions of America, During the Years 1799-1804, Vol.3 (UNABRIDGED)