Columbia subject headings:
Art, Modern--20th century.
Art, Modern--21st century.
Installations (Art)--Conservation and restoration.
Harvard subject headings:
Art, Modern--20th century
Art, Modern--21st century
Art, Modern--21st century--Conservation and restoration.
Installations (Art)--Conservation and restoration.
Princeton subject headings:
Art, Modern--21st century--Conservation and restoration.
Installations (Art)--Conservation and restoration.