Koren, Henry J.
An introduction to the philosophy of nature
Duquesne University, 1960
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Krutch, Joseph Wood
Human nature and the human condition
Greenwood Press, 1979
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Krutch, Joseph Wood
Human nature and the human condition
Random House, 1959
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Photography and philosophy: Essays on the pencil of nature
edited by Scott Walden
Blackwell, 2007
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Baumeister, Roy F.
Social psychology & human nature
Thomson, 2008
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