Columbia subject headings:
Carl Zeiss Jena, VEB.
Carl Zeiss Stiftung.
Trademarks (International law)--Cases.
Harvard subject headings:
Carl Zeiss Jena, VEB.
Carl Zeiss Stiftung.
Carl-Zeiss-Stiftung Jena.
Trademarks (International law)--Cases.
Princeton subject headings:
Carl Zeiss Jena, VEB.
Carl Zeiss Stiftung.
Trademarks (International law)--Cases.