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Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge v. 55 (1916)
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Coöperation as a Factor in Evolution
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By: Patten, William,
Type: Article
In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
Volume: 55
Issue: 220
Date: 1916
Page Range: 503--532
Publication info: Philadelphia, American Philosophical Society,
The origin and vegetation of salt marsh pools
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By: Harshberger, John W. (John William),
Type: Article
In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
Volume: 55
Date: 1916
Page Range: 481-484
Publication info: Philadelphia, American Philosophical Society,