Columbia subject headings:
Art, German--Germany--Berlin--20th century--Exhibitions.
Art, German--Germany--Berlin--Exhibitions.
Berlin (Germany)--In art--Exhibitions.
Realism in art--Germany--Berlin--Exhibitions.
Harvard subject headings:
Art, German--Germany--Berlin--Exhibitions.
Art, Modern--20th century--Germany--Berlin--Exhibitions.
Artists--Germany--Berlin--Biography.
Berlin (Germany)--In art--Exhibitions
Realism in art--Germany--Berlin--Exhibitions.
Princeton subject headings: