Columbia subject headings:
Azerbaijan--Foreign relations--European Union countries.
Azerbaijan--Relations--European Union countries.
European Union--Foreign relations--Azerbaijan.
European Union--Relations--Azerbaijan.
Harvard subject headings:
Azerbaijan--Foreign relations--European Union countries.
Azerbaijan--Relations--European Union countries.
European Union--Foreign relations--Azerbaijan.
European Union--Relations--Azerbaijan.
Princeton subject headings:
Azerbaijan--Foreign relations--European Union countries.
Azerbaijan--Relations--European Union countries.
European Union--Foreign relations--Azerbaijan.
European Union--Relations--Azerbaijan.