Columbia subject headings:
National-Galerie (Germany)--Exhibitions.
Painting, German--19th century--Exhibitions.
Painting--Germany--Berlin--Exhibitions.
Harvard subject headings:
Nationalgalerie (Germany)--Exhibitions.
Neue Nationalgalerie (Germany)--Exhibitions.
Painting, German--19th century--Exhibitions
Painting, German--Germany--Berlin--Exhibitions.
Painting--Germany--Berlin--Exhibitions.
Princeton subject headings:
Nationalgalerie (Germany)--Exhibitions.
Painting, German--19th century--Exhibitions.
Painting--Germany--Berlin--Exhibitions.