The shelf mark (or classmark) will tell you where to find an item on the library shelves. Look out for the shelf mark on the library record.
001.5 Information Technology
004 Computing (general works)
004.16 Personal Computers
004.6 Networks
004.67 Web Design
005 Computer Programming
005.3 Software
005.43 Operating Systems
005.74 Databases
006.6 Computer Graphics
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