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Plant morphology
3 books
Aspects of nature, in different lands and different climates (V…
Alexander von Humboldt, Elizabeth Juliana Sabine
Views of nature
Alexander von Humboldt, Henry G. (Henry George) Bohn, E. C. (Elise C.) Otté
Aspects of nature, in different lands and different climates (V…
Alexander von Humboldt, Elizabeth Juliana Sabine