Columbia subject headings:
North Atlantic Treaty Organization--Forecasting.
North Atlantic Treaty Organization--Military policy.
North Atlantic Treaty Organization--Political aspects.
Harvard subject headings:
North Atlantic Treaty Organization--Forecasting.
North Atlantic Treaty Organization--Military policy.
North Atlantic Treaty Organization--Political aspects.
Princeton subject headings:
North Atlantic Treaty Organization--Forecasting.
North Atlantic Treaty Organization--Military policy.
North Atlantic Treaty Organization--Political aspects.