Columbia subject headings:
Harvard subject headings:
Crisis management--European Union countries--Congresses.
European Union countries--Politics and government--21st century--Congresses.
Social values--European Union countries--Congresses.
Values--European Union countries--Congresses.
Princeton subject headings:
Crisis management--European Union countries--Congresses.
European Union countries--Politics and government--21st century--Congresses.
Social values--European Union countries--Congresses.
Values--European Union countries--Congresses.