Columbia subject headings:
Public art--Italy--Farini.
Site-specific installations (Art)--Italy--Farini.
Xerra, William. Visibile traccia.
Harvard subject headings:
Public art--Italy--Farini.
Site-specific installations (Art)--Italy--Farini.
Xerra, William. Visibile traccia.
Princeton subject headings:
Public art--Italy--Farini.
Site-specific installations (Art)--Italy--Farini.
Xerra, William. Visibile traccia.