Columbia subject headings:
Harvard subject headings:
Heroes--France--History--20th century--Congresses.
Heroes--Germany--History--20th century--Congresses.
Heroes--Japan--History--20th century--Congresses.
Heroes--Mythology--France--History--20th century--Congresses.
Heroes--Mythology--Germany--History--20th century--Congresses.
Heroes--Mythology--Japan--History--20th century--Congresses.
History, Modern--20th century--Congresses.
War and society--France--History--20th century--Congresses.
War and society--Germany--History--20th century--Congresses.
War and society--Japan--History--20th century--Congresses.
Princeton subject headings:
Heroes--France--History--20th century--Congresses.
Heroes--Germany--History--20th century--Congresses.
Heroes--Japan--History--20th century--Congresses.
Heroes--Mythology--France--History--20th century--Congresses.
Heroes--Mythology--Germany--History--20th century--Congresses.
Heroes--Mythology--Japan--History--20th century--Congresses.
History, Modern--20th century--Congresses.
War and society--France--History--20th century--Congresses.
War and society--Germany--History--20th century--Congresses.
War and society--Japan--History--20th century--Congresses.