Columbia subject headings:
Europe--Politics and government--1945---Congresses.
Nuclear arms control--Europe--Congresses.
Nuclear disarmament--Europe--Congresses.
Peace--Congresses.
Harvard subject headings:
Europe--Politics and government--1945---Congresses.
Nuclear arms control--Europe--Congresses.
Nuclear disarmament--Europe--Congresses.
Peace--Congresses
Princeton subject headings:
Europe--Politics and government--1945---Congresses.
Nuclear arms control--Europe--Congresses.
Nuclear disarmament--Europe--Congresses.
Peace--Congresses.