Columbia subject headings:
Austria--Politics and government--21st century.
Austria--Relations--European Union countries.
European Union--Austria.
Harvard subject headings:
Austria--Politics and government--21st century.
Austria--Relations--European Union countries.
European Union countries--Relations--Austria.
European Union--Austria.
Princeton subject headings:
Austria--Politics and government--21st century.
Austria--Relations--European Union countries.
European Union--Austria.