Columbia subject headings:
Germany--Economic conditions--1918-1945.
Germany--Economic policy--1918-1933.
Manpower policy--Germany--History--20th century.
Harvard subject headings:
Brüning, Heinrich, 1885-1970.
Germany--Economic conditions--1918-1945.
Germany--Economic policy--1918-1933.
Manpower policy--Germany--History--20th century.
Princeton subject headings:
Germany--Economic conditions--1918-1945.
Germany--Economic policy.