Columbia subject headings:
Europe--Defenses.
No first use (Nuclear strategy)
North Atlantic Treaty Organization--Armed Forces.
North Atlantic Treaty Organization--Military policy.
Strategy.
Warfare, Conventional.
World War III.
Harvard subject headings:
Europe--Defenses.
No first use (Nuclear strategy)
North Atlantic Treaty Organization--Armed Forces.
North Atlantic Treaty Organization--Military policy.
Strategy
Warfare, Conventional.
World War III.
Princeton subject headings:
Europe, Central--Defenses.
North Atlantic Treaty Organization.