Columbia subject headings:
Harvard subject headings:
Chemical industry--Germany--History.
Hoechst AG--Biography.
Hoechst GmbH.
Industrial districts--Germany--History.
Seifert, Karl-Gerhard
Princeton subject headings:
Chemical industry--Germany--History.
Hoechst AG--Biography.
Hoechst GmbH.
Industrial districts--Germany--History.
Seifert, Karl-Gerhard.