Classification
510 - Mathematics
519 - Probabilities & applied mathematics
359
500 - Natural sciences & mathematics
219
620 - Engineering & allied operations
158
330 - Economics
106
658 - General management
86
515 - Analysis
84
005 - Computer programming, programs & data
67
512 - Algebra
52
006 - Special computer methods
48
621 - Applied physics
48
511 - General principles of mathematics
44
331 - Labor economics
42
000 - Computer science, information & general works
39
745 - Decorative arts
34
004 - Data processing & computer science
32
332 - Financial economics
26
300 - Social sciences
20
302 - Social interaction
20
001 - Knowledge
19
384 - Communications; telecommunication
18
516 - Geometry
17
670 - Manufacturing
17
338 - Production
14
530 - Physics
13
153 - Mental processes & intelligence
12
518 - Numerical analysis
12
514 - Topology
10
650 - Management & auxiliary services
7
794 - Indoor games of skill
7
368 - Insurance
5
374 - Adult education
5
003 - Systems
4
381 - Commerce
4
501 - Philosophy & theory
4
572 - Biochemistry
4
629 - Other branches of engineering
4
333 - Economics of land & energy
3
531 - Classical mechanics; solid mechanics
3
537 - Electricity & electronics
3
600 - Technology
3
616 - Diseases
3
681 - Precision instruments & other devices
3
770 - Photography, photographs & computer art
3
800 - Literature & rhetoric
3
910 - Geography & travel
3
371 - Schools & their activities; special education
2
513 - Arithmetic
2
532 - Fluid mechanics; liquid mechanics
2
535 - Light & infrared & ultraviolet phenomena
2
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