Columbia subject headings:
Harvard subject headings:
Kosovo War, 1998-1999
Persian Gulf War, 1991
Politics and war.
War on Terrorism, 2001-2009
War--Moral and ethical aspects
World politics--20th century
Princeton subject headings:
Kosovo (Serbia)--History--Civil War, 1998-1999.
Persian Gulf War, 1991.
Politics and war.
War on Terrorism, 2001-2009.
War--Moral and ethical aspects.
World politics--20th century.