Columbia subject headings:
Harvard subject headings:
Europe--Foreign public opinion--Congresses.
European Union countries--Politics and government--Congresses.
Europeans--Public opinion--Congresses.
Geopolitics--Europe--Congresses.
Group identity--Europe--Congresses.
Pictures--Political aspects--European Union countries--Congresses.
Public opinion--Europe--Congresses
Visual communication--Political aspects--European Union countries--Congresses.
Princeton subject headings:
Europe--Civilization--1945-
Group identity--Europe.