Classification
515 - Analysis
23
512 - Algebra
9
620 - Engineering & allied operations
7
519 - Probabilities & applied mathematics
6
621 - Applied physics
6
530 - Physics
5
658 - General management
5
004 - Data processing & computer science
4
005 - Computer programming, programs & data
4
006 - Special computer methods
4
330 - Economics
4
500 - Natural sciences & mathematics
3
510 - Mathematics
3
520 - Astronomy & allied sciences
3
001 - Knowledge
2
160 - Logic
2
300 - Social sciences
2
306 - Culture & institutions
2
332 - Financial economics
2
514 - Topology
2
516 - Geometry
2
531 - Classical mechanics; solid mechanics
2
539 - Modern physics
2
541 - Physical chemistry
2
650 - Management & auxiliary services
2
000 - Computer science, information & general works
1
144 - Humanism & related systems
1
153 - Mental processes & intelligence
1
158 - Applied psychology
1
304 - Factors affecting social behavior
1
370 - Education
1
384 - Communications; telecommunication
1
388 - Transportation; ground transportation
1
407 - Education, research & related topics
1
518 - Numerical analysis
1
537 - Electricity & electronics
1
546 - Inorganic chemistry
1
571 - Physiology & related subjects
1
600 - Technology
1
616 - Diseases
1
617 - Surgery & related medical specialties
1
629 - Other branches of engineering
1
700 - The arts; fine & decorative arts
1
745 - Decorative arts
1
796 - Athletic & outdoor sports & games
1