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Humboldt, Alexander von, 1769-1859
4 books
Personal Narrative of Travels to the Equinoctial Regions of Ame…
Alexander von Humboldt, Aimé Bonpland, Thomasina Ross
Personal Narrative of Travels to the Equinoctial Regions of Ame…
Alexander von Humboldt, Aimé Bonpland, Thomasina Ross
Humboldt From 'The Gods and Other Lectures'
Robert Green Ingersoll
Letters of Alexander von Humboldt to Varnhagen von Ense. From 1…
Alexander von Humboldt, Karl August Varnhagen von Ense, Ludmilla Assing, Friedrich Kapp