Classification
100 - Philosophy & psychology
5
900 - History & geography
4
320 - Political science
3
200 - Religion
2
301 - Sociology & anthropology
2
330 - Economics
2
001 - Knowledge
1
111 - Ontology
1
141 - Idealism & related systems
1
300 - Social sciences
1
339 - Macroeconomics & related topics
1
340 - Law
1
345 - Criminal law
1
530 - Physics
1