Columbia subject headings:
Business enterprises--History--Congresses.
Industrial management--History--Congresses.
World War, 1939-1945--Influence.
Harvard subject headings:
Business enterprises--History--20th century--Congresses.
Industrial management--History--20th century--Congresses.
Industries--History--20th century--Congresses.
World War, 1939-1945--Influence--Congresses.
Princeton subject headings:
Business enterprises--History--20th century--Congresses.
Industrial management--History--20th century--Congresses.
Industries--History--20th century--Congresses.
World War, 1939-1945--Influence--Congresses.