Columbia subject headings:
International law--Congresses.
International relations--Congresses.
World politics--1945-1955--Congresses.
World politics--1945-1989--Congresses.
Harvard subject headings:
International law--Congresses.
International relations--Congresses
World politics--1945---Congresses.
World politics--1945-1989--Congresses
Princeton subject headings:
International law--Congresses.
International relations--Congresses.
World politics--1945---Congresses.