Columbia subject headings:
Business enterprises--Germany--History--20th century--Congresses.
National socialism--Historiography--Congresses.
Harvard subject headings:
Business enterprises--Germany--History--20th century--Congresses.
Germany--Economic policy--1933-1945--Congresses.
National socialism--Congresses.
Organizational behavior--Germany--History--20th century--Congresses.
Princeton subject headings:
Business enterprises--Germany--History--20th century--Congresses.
National socialism--Historiography--Congresses.