Columbia subject headings:
North Atlantic Treaty Organization.
United Nations--Armed Forces--Balkan Peninsula.
United States--Military relations--Balkan Peninsula.
Harvard subject headings:
North Atlantic Treaty Organization
United Nations--Armed Forces--Balkan Peninsula.
United States--Military relations--Balkan Peninsula.
Princeton subject headings:
North Atlantic Treaty Organization.
United Nations--Armed Forces--Balkan Peninsula.
United States--Military relations--Balkan Peninsula.