Columbia subject headings:
Normativity (Ethics)--History.
Philosophy of nature--History.
Philosophy, Ancient.
Harvard subject headings:
Naturalism--Congresses.
Normativity (Ethics)--Congresses.
Normativity (Ethics)--History.
Philosophy of nature--History
Philosophy, Ancient--Congresses.
Philosophy, Ancient.
Philosophy, European--Congresses.
Princeton subject headings:
Normativity (Ethics)--History.
Philosophy of nature--History.
Philosophy, Ancient.