Columbia subject headings:
Art, German--Germany--Berlin--19th century.
Art, German--Germany--Berlin--20th century.
Art, German--Germany--Berlin.
Berlinische Galerie.
Harvard subject headings:
Art, German--Germany--Berlin--19th century.
Art, German--Germany--Berlin--20th century.
Art, German--Germany--Berlin.
Art, Modern--19th century--Germany--Berlin.
Art, Modern--20th century--Germany--Berlin.
Berlinische Galerie.
Princeton subject headings:
Art, German--20th century--Berlin.
Art, German--Germany--Berlin.
Art, Modern--19th century--Germany--Berlin.
Berlinische Galerie.