Columbia subject headings:
Harvard subject headings:
International relations--Congresses
Nuclear nonproliferation--Congresses
Peace--Congresses
State, The--Congresses
World politics--1945---Congresses.
Princeton subject headings:
International relations--Congresses.
Nuclear nonproliferation--Congresses.
Peace--Congresses.
State, The--Congresses.
World politics--1945---Congresses.