Columbia subject headings:
Humanitarian intervention--History.
Humanitarian intervention--Philosophy.
Humanitarian intervention--Political aspects.
Sovereignty--Philosophy.
Harvard subject headings:
Humanitarian intervention--History.
Humanitarian intervention--Philosophy.
Humanitarian intervention--Political aspects.
Sovereignty--Philosophy.
Princeton subject headings:
Humanitarian intervention--History.
Humanitarian intervention--Philosophy.
Humanitarian intervention--Political aspects.
Sovereignty--Philosophy.