Columbia subject headings:
Arbitration (International law)--Societies, etc.
Congresses and conventions.
International cooperation--Societies, etc.
International law--Societies, etc.
Harvard subject headings:
Arbitration (International law)--Societies, etc.
Congresses and conventions.
International cooperation--Societies, etc.
International law--Societies, etc.
Princeton subject headings:
Arbitration (International law)--Societies, etc.
Congresses and conventions.
International cooperation--Societies, etc.
International law and relations--Societies, etc.