Columbia subject headings:
Drawing--Conservation and restoration.
Paper--Preservation.
Prints--Conservation and restoration.
Harvard subject headings:
Art--Conservation and restoration--Handbooks, manuals, etc.
Drawing--Conservation and restoration--Handbooks, manuals, etc.
Drawing--Conservation and restoration.
Paper--Preservation
Prints--Conservation and restoration
Prints--Conservation and restoration--Handbooks, manuals, etc.
Princeton subject headings:
Drawing--Conservation and restoration.
Paper--Preservation.
Prints--Conservation and restoration.