Columbia subject headings:
Harvard subject headings:
Collective memory--History--20th century--Congresses.
National socialism--Congresses.
War and society--History--20th century--Congresses.
World War, 1914-1918--Congresses
World War, 1914-1918--Political aspects--Congresses.
Princeton subject headings:
Collective memory--History--20th century--Congresses.
National socialism--Congresses.
War and society--History--20th century--Congresses.
World War, 1914-1918--Congresses.