Columbia subject headings:
Currency question--European Union countries.
European Union countries--Economic integration.
European currency unit.
Monetary policy--European Union countries.
Monetary unions--European Union countries.
Harvard subject headings:
Currency question--European Union countries.
European currency unit.
Monetary policy--European Union countries.
Monetary unions--European Union countries.
Princeton subject headings:
Currency question--European Union countries.
Euro.
Monetary policy--European Union countries.
Monetary unions--European Union countries.