Columbia subject headings:
Harvard subject headings:
Filmfabrik Agfa, VEB--History.
Filmfabrik Wolfen, VEB--History.
Interessengemeinschaft Farbenindustrie Aktiengesellschaft--History.
Motion picture industry--Germany--History
ORWO (Firm)--History.
Photographic chemicals industry--Germany--History.
Photographic film industry--Germany--History.
Photographic industry--Germany--History.
Princeton subject headings:
Filmfabrik Agfa, VEB--History.
Filmfabrik Wolfen, VEB--History.
Interessengemeinschaft Farbenindustrie Aktiengesellschaft--History.
Motion picture industry--Germany--History.
ORWO (Firm)--History.
Photographic chemicals industry--Germany--History.
Photographic film industry--Germany--History.
Photographic industry--Germany--History.