Classification
006 - Special computer methods
1
307 - Communities
1
320 - Political science
1
333 - Economics of land & energy
4
338 - Production
3
363 - Other social problems & services
4
519 - Probabilities & applied mathematics
2
526 - Mathematical geography
26
531 - Classical mechanics; solid mechanics
4
536 - Heat
1
539 - Modern physics
2
549 - Mineralogy
3
550 - Earth sciences
29
551 - Geology, hydrology & meteorology
54
553 - Economic geology
14
571 - Physiology & related subjects
1
577 - Ecology
3
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
4
624 - Civil engineering
75
628 - Sanitary & municipal engineering
3
629 - Other branches of engineering
1
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1
658 - General management
1
662 - Explosives, fuels & related products
2
670 - Manufacturing
2
690 - Buildings
7
691 - Building materials
2
745 - Decorative arts
1
910 - Geography & travel
3