Columbia subject headings:
National socialism.
World War, 1914-1918--Influence.
Harvard subject headings:
National socialism--Congresses.
Nazi propaganda--Germany--Congresses.
World War, 1914-1918--Germany--Psychological aspects--Congresses.
World War, 1914-1918--Influence--Congresses.
Princeton subject headings:
National socialism--Germany.
World War, 1914-1918--Influence.