Columbia subject headings:
Archival resources--Conservation and restoration--Audio-visual aids--Handbooks, manuals, etc.
Library materials--Conservation and restoration--Audio-visual aids--Handbooks, manuals, etc.
Harvard subject headings:
Princeton subject headings:
Archival resources--Conservation and restoration--Audio-visual aids--Handbooks, manuals, etc.
Library materials--Conservation and restoration--Audio-visual aids--Handbooks, manuals, etc.