Cosmos : a sketch of a physical description of the universe / By Alexander von Humboldt ; Translated from the German by E.C. Otté.

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Cosmos : a sketch of a physical description of the universe / By Alexander von Humboldt ; Translated from the German by E.C. Otté.

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Text-book of the embryology of invertebrates / by Dr. E. Korschelt [and] Dr. K. Heider. Tr. from the German.

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Cosmos : a sketch of a physical description of the universe / By Alexander von Humboldt ; Translated from the German by E.C. Otté.

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The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny. From the German of Ernst Haeckel.

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Cosmos : a sketch of a physical description of the universe / By Alexander von Humboldt ; Translated from the German by E.C. Otté.

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