Columbia subject headings:
Humanitarian intervention--Congresses.
Humanitarian intervention--Moral and ethical aspects--Congresses.
Humanitarian intervention--Political aspects--Congresses.
Responsibility to protect (International law)--Congresses.
Harvard subject headings:
Humanitarian intervention--Congresses.
Humanitarian intervention--Moral and ethical aspects--Congresses.
Humanitarian intervention--Philosophy--Congresses.
Humanitarian intervention--Political aspects--Congresses.
Responsibility to protect (International law)--Congresses.
Princeton subject headings:
Humanitarian intervention--Congresses.
Humanitarian intervention--Moral and ethical aspects--Congresses.
Humanitarian intervention--Political aspects--Congresses.
Responsibility to protect (International law)--Congresses.