Columbia subject headings:
Harvard subject headings:
Iron and steel workers--Labor unions--Germany--Bremen--History--20th century.
Klöckner-Werke--History.
Labor disputes--Germany--Bremen--History--20th century.
Management--Employee participation--Germany--Bremen--History--20th century.
Steel industry and trade--Germany--Bremen--History--20th century.
Steel industry and trade--Germany--Bremen--Management.
Works councils--Germany--Bremen--History--20th century.
Princeton subject headings:
Iron and steel workers--Labor unions--Germany--Bremen--History--20th century.
Klöckner-Werke--History.
Labor disputes--Germany--Bremen--History--20th century.
Management--Employee participation--Germany--Bremen--History--20th century.
Steel industry and trade--Germany--Bremen--History--20th century.
Steel industry and trade--Germany--Bremen--Management.
Works councils--Germany--Bremen--History--20th century.