Columbia subject headings:
Books on microfilm--Standards.
Library materials--Reproduction--Handbooks, manuals, etc.
Microfilms--Preservation--Handbooks, manuals, etc.
Microfilms--Storage.
Micrographics--Library applications--Handbooks, manuals, etc.
Preservation microfilming--Handbooks, manuals, etc.
Harvard subject headings:
Preservation microfilming--Handbooks, manuals, etc.
Princeton subject headings:
Preservation microfilming--Handbooks, manuals, etc.