Columbia subject headings:
Internal security--Latin America--Congresses.
Peace--Congresses.
War--Termination--Congresses.
Harvard subject headings:
Internal security--Latin America--Congresses.
Peace--Congresses
War--Termination--Congresses.
Princeton subject headings:
Internal security--Latin America--Congresses.
Peace--Congresses.
War--Termination--Congresses.