Columbia subject headings:
Harvard subject headings:
Administrative law--Europe.
Citizenship--Europe
Conflict of laws--Citizenship--Europe.
International law--Europe.
Princeton subject headings:
Administrative law--Europe.
Citizenship--Europe.
Conflict of laws--Citizenship--Europe.
Data protection--Law and legislation--Europe.
International law--Europe.
Privacy, Right of--Europe.
Refugees--Legal status, laws, etc.--Europe.