Columbia subject headings:
Harvard subject headings:
Europe--Economic integration--History.
European Commission. Directorate-General for Economic and Financial Affairs.
European Union countries--Economic conditions.
European Union countries--Politics and government--21st century.
European Union--History.
European communities--History.
European federation
Princeton subject headings:
European Commission.
European Union countries--Economic policy.
European Union--Economic integration.
Eurozone--Economic conditions--21st century.
Financial crises--European Union countries.