Columbia subject headings:
Harvard subject headings:
CD-ROMs--Handbooks, manuals, etc.
Handbooks and manuals
Information technology--Handbooks, manuals, etc.
Library materials--Reproduction--Handbooks, manuals, etc.
Optical disks--Handbooks, manuals, etc.
Princeton subject headings:
CD-ROMs--Handbooks, manuals, etc.
Library materials--Reproduction--Technological innovations--Handbooks, manuals, etc.
Optical disks--Handbooks, manuals, etc.