Columbia subject headings:
Art, Dutch--20th century--Conservation and restoration--Exhibitions.
Art, Dutch--20th century--Conservation and restoration.
Art, Modern--20th century--Conservation and restoration--Exhibitions.
Art, Modern--20th century--Conservation and restoration.
Cultural property--Protection--Exhibitions.
Cultural property--Protection.
Harvard subject headings:
Art objects--Conservation and restoration--Congresses.
Art, Modern--20th century--Conservation and restoration--Congresses.
Museum conservation methods--Congresses.
Princeton subject headings:
Art, Modern--20th century--Conservation and restoration--Exhibitions.
Art, Modern--20th century--Conservation and restoration--Netherlands--Exhibitions.
Art, Modern--20th century--Conservation and restoration--Netherlands.
Art, Modern--20th century--Conservation and restoration.
Cultural property--Protection--Exhibitions.
Cultural property--Protection.