Columbia subject headings:
International relations--Moral and ethical aspects--Congresses.
Nuclear weapons--Moral and ethical aspects--Congresses.
Harvard subject headings:
International relations--Moral and ethical aspects--Congresses.
Nuclear weapons--Moral and ethical aspects--Congresses.
Princeton subject headings:
International relations--Moral and ethical aspects--Congresses.
Nuclear weapons--Moral and ethical aspects--Congresses.