Columbia subject headings:
Conglomerate corporations--Germany--History.
Germany--Economic policy--1933-1945.
Government business enterprises--Germany--History.
Industries--Germany--History.
Iron industry and trade--Germany--History.
Reichswerke Aktiengesellschaft für Erzbergbau und Eisenhütten "Hermann Göring"--History.
Harvard subject headings:
Conglomerate corporations--Germany--History.
Germany--Economic policy--1933-1945.
Government business enterprises--Germany--History.
Industries--Germany--History
Iron industry and trade--Germany--History.
Reichswerke Aktiengesellschaft für Erzbergbau und Eisenhütten "Hermann Göring"--History.
Princeton subject headings:
Iron industry and trade--Germany--History--20th century.
Reichswerke Aktiengesellschaft für Erzbergbau und Eisenhütten "Hermann Göring"
Steel industry and trade--Germany--History--20th century.