Columbia subject headings:
Singer, Roman, 1938---Exhibitions.
Harvard subject headings:
Art, Swiss--20th century.
Art, Swiss--21st century.
Installations (Art)--20th century.
Installations (Art)--21st century.
Sculpture, Swiss--20th century.
Sculpture, Swiss--21st century.
Signer, Roman, 1938---Exhibitions.
Princeton subject headings: