Columbia subject headings:
Harvard subject headings:
Art, German--20th century.
Art, Modern--20th century
Avant-garde (Aesthetics--Germany--History--20th century.
Caspari, Carlheinz.
Motion picture producers and directors--Germany
Performance art--Germany.
Theatrical producers and directors--Germany.
Princeton subject headings:
Art, German--20th century.
Art, Modern--20th century.
Avant-garde (Aesthetics)--Germany--History--20th century.
Caspari, Carlheinz.
Motion picture producers and directors--Germany.
Performance art--Germany.
Theatrical producers and directors--Germany.