Columbia subject headings:
Harvard subject headings:
War and civilization.
War and society
War--History--19th century.
War--History--20th century
War--History--21st century.
Princeton subject headings:
War and civilization--History--19th century.
War and civilization--History--20th century.
War and civilization--History--21st century.
War and society--History--19th century.
War and society--History--20th century.
War and society--History--21st century.
War--History--19th century.
War--History--20th century.
War--History--21st century.