Columbia subject headings:
Art objects--Conservation and restoration.
Artists' materials--Effect of light on.
Artists' materials.
Materials--Testing.
Pigments.
Varnish and varnishing.
Harvard subject headings:
Art objects--Conservation and restoration
Artists' materials
Artists' materials--Effect of light on
Light--Environmental aspects.
Materials--Testing
Paper--Deterioration
Pigments.
Varnish and varnishing.
Princeton subject headings:
Art objects--Conservation and restoration.
Light--Environmental aspects.
Paper--Deterioration.
Pigments.
Varnish and varnishing.