Columbia subject headings:
Harvard subject headings:
Depressions--History--Congresses.
Economic history--Congresses
Financial crises--Germany--History--20th century--Congresses.
Financial crises--Germany--History--21st century--Congresses.
Forum Nordwolle Delmenhorst--Congresses.
Princeton subject headings:
Depressions--History--Congresses.
Economic history--Congresses.
Financial crises--Germany--History--20th century--Congresses.
Financial crises--Germany--History--21st century--Congresses.