Columbia subject headings:
Civil rights--Europe--History--Congresses.
Human rights--Europe--History--Congresses.
Nationalism--Europe--Congresses.
Harvard subject headings:
Civil rights--Europe--History--Congresses.
European Union countries--Politics and government--Congresses.
Human rights advocacy--European Union countries--Congresses.
Human rights--Europe--History--Congresses.
Princeton subject headings: