Classification
519 - Probabilities & applied mathematics
2,024
515 - Analysis
289
530 - Physics
159
006 - Special computer methods
114
510 - Mathematics
109
003 - Systems
107
621 - Applied physics
107
330 - Economics
82
511 - General principles of mathematics
73
512 - Algebra
58
620 - Engineering & allied operations
51
004 - Data processing & computer science
50
658 - General management
49
005 - Computer programming, programs & data
46
300 - Social sciences
46
518 - Numerical analysis
41
040 - [Unassigned]
34
332 - Financial economics
28
500 - Natural sciences & mathematics
28
516 - Geometry
26
570 - Life sciences; biology
23
629 - Other branches of engineering
20
501 - Philosophy & theory
18
000 - Computer science, information & general works
15
001 - Knowledge
15
368 - Insurance
15
514 - Topology
13
550 - Earth sciences
12
551 - Geology, hydrology & meteorology
12
670 - Manufacturing
12
301 - Sociology & anthropology
11
624 - Civil engineering
10
333 - Economics of land & energy
8
600 - Technology
8
610 - Medicine & health
8
160 - Logic
7
336 - Public finance
7
536 - Heat
7
576 - Genetics & evolution
7
700 - The arts; fine & decorative arts
7
541 - Physical chemistry
6
150 - Psychology
5
331 - Labor economics
5
340 - Law
5
384 - Communications; telecommunication
5
531 - Classical mechanics; solid mechanics
5
572 - Biochemistry
5
614 - Incidence & prevention of disease
5
616 - Diseases
5
900 - History & geography
5
more ...