Koren, Henry J.
An introduction to the philosophy of nature
Duquesne University, 1960
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Chu, Hsi
The Philosophy of human nature
Probsthain, 1922
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Kelsen, Hans
Society and nature : a sociological inquiry
Kegan Paul : Trench : Trubner , 1946
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Photography and philosophy: Essays on the pencil of nature
edited by Scott Walden
Blackwell, 2007
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Bookchin, Murray
The philosophy of social ecology : essays on dialectical naturalism
Black Rose Books, 1990
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