Columbia subject headings:
Art, European--20th century--Exhibitions.
Avant-garde (Aesthetics)--Europe, Eastern--Exhibitions.
Weichardt, Jürgen, 1933---Art collections--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Europe, Eastern--Exhibitions.
Avant-garde (Aesthetics)--Europe, Eastern--Exhibitions.
Weichardt, Jürgen, 1933---Art collections--Exhibitions.
Princeton subject headings: