Columbia subject headings:
Books--Conservation and restoration.
Council on Library Resources. Committee on Production Guidelines for Book Longevity.
Library materials--Conservation and restoration.
Paper--Preservation.
Harvard subject headings:
Books--Conservation and restoration
Council on Library Resources. Committee on Production Guidelines for Book Longevity.
Library materials--Conservation and restoration
Paper--Preservation
Princeton subject headings:
Books--Conservation and restoration.
Council on Library Resources. Committee on Production Guidelines for Book Longevity
Library materials--Conservation and restoration.
Paper--Preservation.