Classification
340 - Law
1
500 - Natural sciences & mathematics
3
510 - Mathematics
2
519 - Probabilities & applied mathematics
4
520 - Astronomy & allied sciences
6
523 - Specific celestial bodies & phenomena
5
526 - Mathematical geography
2
530 - Physics
60
531 - Classical mechanics; solid mechanics
6
532 - Fluid mechanics; liquid mechanics
1
533 - Gas mechanics
1
535 - Light & infrared & ultraviolet phenomena
2
537 - Electricity & electronics
2
538 - Magnetism
2
539 - Modern physics
39
540 - Chemistry & allied sciences
1
541 - Physical chemistry
1
543 - Analytical chemistry
5
548 - Crystallography
1
550 - Earth sciences
2
551 - Geology, hydrology & meteorology
4
571 - Physiology & related subjects
3
577 - Ecology
1
610 - Medicine & health
2
616 - Diseases
1
620 - Engineering & allied operations
9
621 - Applied physics
22
624 - Civil engineering
1
629 - Other branches of engineering
4
630 - Agriculture & related technologies
1
660 - Chemical engineering
1
670 - Manufacturing
9
690 - Buildings
1