Columbia subject headings:
Harvard subject headings:
Europe--Economic integration--Public opinion.
European Union
European Union--Public opinion.
Group identity--European Union countries
Nationalism--European Union countries.
Political culture--European Union countries.
Populism--European Union countries.
Regionalism--European Union countries
Princeton subject headings:
Europe--Economic integration--Public opinion.
European Union--Public opinion.
Group identity--European Union countries.
Nationalism--European Union countries.
Political culture--European Union countries.