Columbia subject headings:
Europe, Eastern--Relations--European Union countries.
European Union countries--Relations--Europe, Eastern.
European Union countries--Relations--Mediterranean Region.
Mediterranean Region--Relations--European Union countries.
Harvard subject headings:
Europe, Eastern--Foreign relations--European Union countries.
Europe, Eastern--Relations--European Union countries.
European Neighbourhood Policy (Program)
European Union countries--Foreign relations--Europe, Eastern.
European Union countries--Foreign relations--Mediterranean Region.
European Union countries--Relations--Europe, Eastern.
European Union countries--Relations--Mediterranean Region.
European Union countries--Social policy.
European Union--Membership.
European cooperation.
Mediterranean Region--Foreign relations--European Union countries.
Mediterranean Region--Relations--European Union countries.
Princeton subject headings:
Europe, Eastern--Relations--European Union countries.
European Union countries--Relations--Europe, Eastern.
European Union countries--Relations--Mediterranean Region.
Mediterranean Region--Relations--European Union countries.