Columbia subject headings:
Harvard subject headings:
Industrial design--Germany--History.
Industrial museums--Germany--Mannheim--History.
Industries--Germany--History
Landesmuseum für Technik und Arbeit in Mannheim--History.
Princeton subject headings:
Industrial design--Germany--History.
Industrial museums--Germany--Mannheim--History.
Industries--Germany--History.
Landesmuseum für Technik und Arbeit in Mannheim--History.