Columbia subject headings:
Painting, European--14th century--Conservation and restoration.
Painting, European--15th century--Conservation and restoration.
Harvard subject headings:
Painting, European--14th century--Conservation and restoration.
Painting, European--15th century--Conservation and restoration.
Painting, European--Conservation and restoration--Congresses.
Painting, Medieval--Conservation and restoration--Congresses.
Textile painting--Europe--Technique--Congresses.
Princeton subject headings:
Painting, European--Technique--Conservation and restoration--Congresses.
Textile painting, European--Technique--Conservation and restoration--Congresses.