Columbia subject headings:
Art and architecture--Pictorial works.
Artists.
Kaltwasser, Martin.
Köbberling, Folke, 1969-
Public spaces.
Harvard subject headings:
Art and architecture.
Installations (Art)--Germany.
Kaltwasser, Martin.
Köbberling, Folke.
Public spaces--Germany.
Princeton subject headings:
Art and architecture--Germany.
Installations (Art)--Germany.
Kaltwasser, Martin.
Köbberling, Folke, 1969-
Public spaces--Germany.