Columbia subject headings:
Civilization, Modern--Congresses.
Conservatism--Congresses.
Culture--Congresses.
Democracy--Congresses.
Liberty--Congresses.
Harvard subject headings:
Civilization, Modern--Congresses
Conservatism--Congresses.
Culture--Congresses.
Democracy--Congresses
Liberty--Congresses
Princeton subject headings:
Civilization, Modern--Congresses.
Conservatism--Congresses.
Culture--Congresses.
Democracy--Congresses.
Liberty--Congresses.