Columbia subject headings:
Nuclear weapons--Soviet Union--Testing.
Nuclear weapons--United States--Testing.
Soviet Union--Foreign relations--Treaties.
Underground nuclear explosions--Soviet Union.
Underground nuclear explosions--United States.
United States--Foreign relations--Treaties.
Harvard subject headings:
Princeton subject headings:
Nuclear weapons--Testing--Law and legislation--Soviet Union.
Nuclear weapons--Testing--Law and legislation--United States.
Soviet Union--Foreign relations--United States.
Underground nuclear explosions--Soviet Union.
Underground nuclear explosions--United States.
United States--Foreign relations--Soviet Union.