World-power and evolution / by Ellsworth Huntington.
- Huntington, Ellsworth, 1876-1947.
- Date:
- 1919
Licence: In copyright
Credit: World-power and evolution / by Ellsworth Huntington. Source: Wellcome Collection.
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Licence: In copyright
Credit: World-power and evolution / by Ellsworth Huntington. Source: Wellcome Collection.