Columbia subject headings:
Harvard subject headings:
Business cycles--History--19th century--Congresses.
Business cycles--History--20th century--Congresses.
Business enterprises--History--19th century--Congresses.
Business enterprises--History--20th century--Congresses.
Depressions--History--Congresses.
Industrial management--History--19th century--Congresses.
Industrial management--History--20th century--Congresses.
Princeton subject headings:
Business cycles--History--19th century--Congresses.
Business cycles--History--20th century--Congresses.
Business enterprises--History--19th century--Congresses.
Business enterprises--History--20th century--Congresses.
Depressions--History--20th century--Congresses.
Industrial management--History--19th century--Congresses.
Industrial management--History--20th century--Congresses.