Columbia subject headings:
International police--Congresses.
United Nations--Armed Forces--Congresses.
United Nations--Armed Forces.
United States--Foreign relations.
Harvard subject headings:
International police--Congresses.
International police.
Peace-building--Congresses
Peacekeeping forces--Congresses.
United Nations--Armed Forces--Congresses.
United Nations--Armed Forces.
Princeton subject headings:
International police--Congresses.
United Nations--Armed Forces--Congresses.