Columbia subject headings:
Düsseldorfer Schauspielhaus--History.
Theater--Germany--History.
Harvard subject headings:
Architecture--Germany--Düsseldorf--History.
Düsseldorfer Schauspielhaus--History.
Theaters--Germany--Düsseldorf--History--20th century.
Theaters--Germany--Düsseldorf--History--21st century.
Princeton subject headings:
Düsseldorfer Schauspielhaus--History.
Theater--Germany--History.