Classification
004 - Data processing & computer science
295
005 - Computer programming, programs & data
83
006 - Special computer methods
57
610 - Medicine & health
30
621 - Applied physics
30
003 - Systems
26
371 - Schools & their activities; special education
23
025 - Library operations
22
570 - Life sciences; biology
7
040 - [Unassigned]
4
030 - General encyclopedic works
3
518 - Numerical analysis
2
351 - Public administration
1
381 - Commerce
1