Columbia subject headings:
Harvard subject headings:
China--Foreign relations--European Union countries.
European Union
European Union countries--Foreign relations--China.
European Union countries--Foreign relations--Switzerland.
European Union countries--Foreign relations.
European Union--Croatia.
Switzerland--Foreign relations--European Union countries.
Princeton subject headings:
Europe--Economic integration.
European Union countries--Foreign relations.
European Union countries--Politics and government--21st century.
European Union.
International economic integration.