Columbia subject headings:
Conflict of laws--Civil procedure.
Foreign law, Pleading and proof of--Europe.
Foreign law, Pleading and proof of--United States.
Harvard subject headings:
Conflict of laws--Civil procedure.
Foreign law, Pleading and proof of--Europe.
Foreign law, Pleading and proof of--United States.
Princeton subject headings:
Actions and defenses.
Conflict of laws.