Columbia subject headings:
Berlin (Germany)--Intellectual life.
Königliches Nationaltheater--History.
Theaters--Germany--Berlin.
Harvard subject headings:
Berlin (Germany)--Intellectual life
Königliches Nationaltheater--History.
Theaters--Germany--Berlin--History.
Princeton subject headings:
Berlin (Germany)--Intellectual life.
Königliches Nationaltheater--History.
Theaters--Germany--Berlin.