Classification
515 - Analysis
287
005 - Computer programming, programs & data
98
621 - Applied physics
68
519 - Probabilities & applied mathematics
53
512 - Algebra
44
006 - Special computer methods
43
530 - Physics
35
620 - Engineering & allied operations
33
510 - Mathematics
27
004 - Data processing & computer science
18
518 - Numerical analysis
18
511 - General principles of mathematics
17
003 - Systems
15
500 - Natural sciences & mathematics
12
610 - Medicine & health
8
300 - Social sciences
7
333 - Economics of land & energy
7
520 - Astronomy & allied sciences
7
616 - Diseases
7
900 - History & geography
7
001 - Knowledge
6
330 - Economics
6
523 - Specific celestial bodies & phenomena
6
570 - Life sciences; biology
6
600 - Technology
6
658 - General management
6
531 - Classical mechanics; solid mechanics
5
541 - Physical chemistry
5
624 - Civil engineering
5
700 - The arts; fine & decorative arts
5
000 - Computer science, information & general works
4
025 - Library operations
4
516 - Geometry
4
534 - Sound & related vibrations
4
612 - Human physiology
4
040 - [Unassigned]
3
670 - Manufacturing
3
057 - Serials in Slavic languages
2
301 - Sociology & anthropology
2
320 - Political science
2
331 - Labor economics
2
332 - Financial economics
2
338 - Production
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
384 - Communications; telecommunication
2
514 - Topology
2
517 - [Unassigned]
2
535 - Light & infrared & ultraviolet phenomena
2
551 - Geology, hydrology & meteorology
2
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