Classification
006 - Special computer methods
369
005 - Computer programming, programs & data
41
621 - Applied physics
30
004 - Data processing & computer science
16
040 - [Unassigned]
16
003 - Systems
15
629 - Other branches of engineering
13
519 - Probabilities & applied mathematics
10
530 - Physics
7
616 - Diseases
7
516 - Geometry
4
610 - Medicine & health
4
620 - Engineering & allied operations
4
518 - Numerical analysis
3
670 - Manufacturing
3
001 - Knowledge
2
025 - Library operations
2
353 - Specific fields of public administration
2
511 - General principles of mathematics
2
536 - Heat
2
033 - Encyclopedias in other Germanic languages
1
153 - Mental processes & intelligence
1
333 - Economics of land & energy
1
510 - Mathematics
1
537 - Electricity & electronics
1
540 - Chemistry & allied sciences
1
550 - Earth sciences
1
571 - Physiology & related subjects
1
576 - Genetics & evolution
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
910 - Geography & travel
1