Classification
519 - Probabilities & applied mathematics
1,076
515 - Analysis
331
620 - Engineering & allied operations
161
530 - Physics
158
003 - Systems
124
006 - Special computer methods
82
518 - Numerical analysis
80
621 - Applied physics
79
510 - Mathematics
64
512 - Algebra
62
005 - Computer programming, programs & data
59
004 - Data processing & computer science
56
516 - Geometry
46
511 - General principles of mathematics
39
531 - Classical mechanics; solid mechanics
36
570 - Life sciences; biology
32
629 - Other branches of engineering
28
658 - General management
24
330 - Economics
21
040 - [Unassigned]
16
550 - Earth sciences
15
500 - Natural sciences & mathematics
10
541 - Physical chemistry
10
514 - Topology
9
001 - Knowledge
7
300 - Social sciences
7
332 - Financial economics
7
537 - Electricity & electronics
7
610 - Medicine & health
7
551 - Geology, hydrology & meteorology
6
571 - Physiology & related subjects
5
910 - Geography & travel
5
333 - Economics of land & energy
4
520 - Astronomy & allied sciences
4
539 - Modern physics
4
614 - Incidence & prevention of disease
4
062 - Organizations in British Isles; in England
3
336 - Public finance
3
338 - Production
3
523 - Specific celestial bodies & phenomena
3
526 - Mathematical geography
3
535 - Light & infrared & ultraviolet phenomena
3
616 - Diseases
3
780 - Music
3
150 - Psychology
2
301 - Sociology & anthropology
2
339 - Macroeconomics & related topics
2
368 - Insurance
2
501 - Philosophy & theory
2
534 - Sound & related vibrations
2
more ...