Columbia subject headings:
International relations.
War casualties--Statistics.
War casualties.
War, Cost of.
War--Environmental aspects.
World politics--1989-
Harvard subject headings:
War, Cost of--Case studies.
War, Cost of--Statistics.
War--History--20th century--Case studies.
War--History--20th century--Statistics.
Princeton subject headings:
International relations.
War casualties.
War, Cost of.
War--Environmental aspects.
World politics--1989-