Columbia subject headings:
Harvard subject headings:
Aesthetics--Congresses
Art--Philosophy--Congresses
Human beings--Philosophy--Congresses.
Nature (Aesthetics)--Congresses
Nature in art--Congresses.
Philosophy of nature--Congresses
Princeton subject headings:
Aesthetics--Congresses.
Art--Philosophy--Congresses.
Human beings--Philosophy--Congresses.
Nature (Aesthetics)--Congresses.
Nature in art--Congresses.
Philosophy of nature--Congresses.