Classification
000 - Computer science, information & general works
3
003 - Systems
172
004 - Data processing & computer science
40
005 - Computer programming, programs & data
15
006 - Special computer methods
23
040 - [Unassigned]
1
174 - Occupational ethics
1
330 - Economics
14
333 - Economics of land & energy
5
338 - Production
3
339 - Macroeconomics & related topics
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
368 - Insurance
1
500 - Natural sciences & mathematics
5
510 - Mathematics
18
511 - General principles of mathematics
25
512 - Algebra
11
513 - Arithmetic
1
514 - Topology
6
515 - Analysis
419
516 - Geometry
17
518 - Numerical analysis
25
519 - Probabilities & applied mathematics
362
530 - Physics
22
531 - Classical mechanics; solid mechanics
7
535 - Light & infrared & ultraviolet phenomena
2
539 - Modern physics
2
541 - Physical chemistry
1
570 - Life sciences; biology
2
576 - Genetics & evolution
1
577 - Ecology
1
600 - Technology
1
610 - Medicine & health
2
620 - Engineering & allied operations
35
621 - Applied physics
22
624 - Civil engineering
2
629 - Other branches of engineering
158
650 - Management & auxiliary services
3
658 - General management
55
660 - Chemical engineering
2
670 - Manufacturing
7
700 - The arts; fine & decorative arts
3