Classification
001 - Knowledge
1
005 - Computer programming, programs & data
1
006 - Special computer methods
2
300 - Social sciences
3
301 - Sociology & anthropology
1
302 - Social interaction
5
305 - Social groups
1
320 - Political science
3
330 - Economics
7
340 - Law
21
341 - Law of nations
1
342 - Constitutional & administrative law
3
343 - Military, tax, trade & industrial law
5
346 - Private law
2
500 - Natural sciences & mathematics
2
510 - Mathematics
1
519 - Probabilities & applied mathematics
1
530 - Physics
1
548 - Crystallography
1
612 - Human physiology
1
620 - Engineering & allied operations
2
621 - Applied physics
15
628 - Sanitary & municipal engineering
1
629 - Other branches of engineering
1
650 - Management & auxiliary services
2
658 - General management
6
660 - Chemical engineering
1
900 - History & geography
1