Columbia subject headings:
European Union countries--Relations--Poland.
European Union--Poland.
Poland--Relations--European Union countries.
Harvard subject headings:
Council of the European Union. Presidency.
Europe--Economic integration.
European Union countries--Foreign relations--Poland.
European Union--Poland.
Poland--Foreign relations--European Union countries.
Princeton subject headings:
European Union countries--Relations--Poland.
European Union--Poland.
Poland--Relations--European Union countries.