Aperçu gratuit du livre Personal Narrative of Travels to the Equinoctial Regions of the New Continent During the Years 1799-1804 by Alexander De Humboldt and Aimé Bonpland: With Maps, Plans &c.; v.5: pt.2 (1821)
Personal Narrative of Travels to the Equinoctial Regions of the New Continent During the Years 1799-1804 by Alexander De Humboldt and Aimé Bonpland: With Maps, Plans &c.; v.5: pt.2 (1821)