Columbia subject headings:
Harvard subject headings:
Europe--Economic integration.
European Union countries--Commerce--Switzerland.
European Union countries--Commercial treaties.
European Union countries--Economic policy.
European Union countries--Foreign economic relations--Switzerland.
European Union countries--Politics and government.
European Union--Membership.
Foreign trade regulation--European Union countries.
Foreign trade regulation--Switzerland.
Free trade--European Union countries
Free trade--Switzerland.
Switzerland--Commerce--European Union countries.
Switzerland--Commercial treaties.
Switzerland--Economic policy.
Switzerland--Foreign economic relations--European Union countries.
Switzerland--Politics and government.
Princeton subject headings:
Europe--Economic integration.
European Union countries--Foreign relations--Switzerland.
European Union--Switzerland.
Switzerland--Foreign relations--European Union countries.
Switzerland--Politics and government--21st century.