Columbia subject headings:
European Union.
Free trade--European Union countries.
Freedom of movement--European Union countries.
Law--European Union countries.
Harvard subject headings:
Due process of law--European Union countries.
European Union
Foreign trade regulation--European Union countries.
Free trade--European Union countries
Freedom of movement--European Union countries
Law--European Union countries
Princeton subject headings:
Due process of law--European Union countries.
European Union.
Foreign trade regulation--European Union countries.
Free trade--European Union countries.
Freedom of movement--European Union countries.