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Start Over You searched for: Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Humboldt, Alexander von, 1769-1859. Remove constraint Subjects: Humboldt, Alexander von, 1769-1859. Authors Agassiz, Louis, 1807-1873, author Remove constraint Authors: Agassiz, Louis, 1807-1873, author

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1. Darwin and Humboldt: their lives and work