Columbia subject headings:
Harvard subject headings:
Civilization, Modern--Congresses
Culture--Congresses.
Humanities--Congresses.
Humanities--Methodology.
Humanities--Philosophy--History--20th century.
Philosophy and civilization--Congresses
Princeton subject headings:
Civilization, Modern--Congresses.
Culture--Congresses.
Humanities--Congresses.
Philosophy and civilization--Congresses.