Columbia subject headings:
Chemical industry--Germany (West)--History.
Chemical industry--Germany--History.
Chemical industry--Government policy--Germany (West)--History.
Chemical industry--Government policy--Germany--History.
Harvard subject headings:
Chemical industry--Germany (West)--History.
Chemical industry--Germany--History.
Chemical industry--Government policy--Germany (West)--History.
Chemical industry--Government policy--Germany--History.
Princeton subject headings:
Chemical industry--Germany.
Chemical industry--Planning--Germany.
Germany--Commercial policy.