Columbia subject headings:
Harvard subject headings:
Industriegewerkschaft Metall für die Bundesrepublik Deutschland--History.
Labor unions--Germany--History
Zwickel, Klaus.
Princeton subject headings:
IG Metall Bezirk Baden-Württemberg. Bezirksleitung Stuttgart
Industrial policy--Germany--History--20th century.
Industrialists--Germany--Biography.
Labor leaders--Germany--Biography.
Labor unions--Germany--History--20th century.
Zwickel, Klaus.