Columbia subject headings:
Nihilism (Philosophy)
Nothing (Philosophy)
Harvard subject headings:
Art, Ancient--Congresses.
Art, Medieval--Congresses
Nihilism (Philosophy)--Congresses.
Nothing (Philosophy) in art--Congresses.
Nothing (Philosophy)--Congresses.
Philosophy, Ancient--Congresses.
Philosophy, Medieval--Congresses.
Philosophy, Modern--Congresses.
Princeton subject headings:
Nihilism (Philosophy)
Nothing (Philosophy)