Columbia subject headings:
Harvard subject headings:
Carl Zeiss (Firm : 1846)--History.
Carl Zeiss (Firm : 1946)--History.
Carl Zeiss (Firm : 1946)--Reorganization.
Consolidation and merger of corporations--Germany--History--20th century.
Corporate reorganizations--Germany--History--20th century.
Germany--History--Unification, 1990.
Germany--Politics and government--20th century
Optical industry--Germany--History.
Princeton subject headings:
Carl Zeiss (Firm : 1946)--Reorganization--History.
Carl Zeiss Jena, VEB--Reorganization--History.
Corporate reorganizations--Germany--History--20th century.
Germany--History--Unification, 1990.
Optical industry--Germany--History--20th century.
Optical industry--Mergers--Germany--History--20th century.