Columbia subject headings:
Civilization, Modern--17th century--Congresses.
Civilization, Modern--18th century--Congresses.
Civilization, Modern--19th century--Congresses.
Civilization--History--Congresses.
Cultural relations--History--Congresses.
Culture--Congresses.
Harvard subject headings:
Civilization, Modern--17th century--Congresses.
Civilization, Modern--18th century--Congresses.
Civilization, Modern--19th century--Congresses.
Civilization--History--Congresses.
Cultural relations--History--Congresses.
Culture--Congresses.
Princeton subject headings:
Civilization, Modern--17th century--Congresses.
Civilization, Modern--18th century--Congresses.
Civilization, Modern--19th century--Congresses.
Civilization--History--Congresses.
Cultural relations--History--Congresses.
Culture--Congresses.