Columbia subject headings:
Harvard subject headings:
Democracy--Europe.
Democracy--European Union countries
European Union countries--Politics and government--20th century.
European Union countries--Politics and government--21st century.
Representative government and representation--European Union countries
Princeton subject headings:
Democracy--Europe.
European Union countries--Politics and government--20th century.
European Union countries--Politics and government--21st century.
Representative government and representation--European Union countries.