Columbia subject headings:
Avant-garde (Aesthetics)--Political aspects.
Utopias.
Harvard subject headings:
Avant-garde (Aesthetics)--Political aspects.
Constructivism (Art)
Utopias
Princeton subject headings:
Art, European--20th century--Congresses.
Art--Political aspects--Europe--Congresses.
Arts, Modern--20th century--Europe--Congresses.
Avant-garde (Aesthetics)--Europe--Congresses.
Constructivism (Art)--Congresses.