Classification
512 - Algebra
73
515 - Analysis
49
510 - Mathematics
37
519 - Probabilities & applied mathematics
29
516 - Geometry
18
514 - Topology
17
511 - General principles of mathematics
16
530 - Physics
13
306 - Culture & institutions
9
513 - Arithmetic
6
003 - Systems
4
330 - Economics
4
121 - Epistemology
3
305 - Social groups
3
320 - Political science
3
570 - Life sciences; biology
3
300 - Social sciences
2
302 - Social interaction
2
332 - Financial economics
2
340 - Law
2
518 - Numerical analysis
2
621 - Applied physics
2
629 - Other branches of engineering
2
781 - General principles & musical forms
2
001 - Knowledge
1
004 - Data processing & computer science
1
005 - Computer programming, programs & data
1
111 - Ontology
1
128 - Humankind
1
142 - Critical philosophy
1
150 - Psychology
1
158 - Applied psychology
1
164 - [Unassigned]
1
181 - Eastern philosophy
1
190 - Modern western philosophy
1
301 - Sociology & anthropology
1
303 - Social processes
1
304 - Factors affecting social behavior
1
307 - Communities
1
321 - Systems of governments & states
1
324 - The political process
1
327 - International relations
1
331 - Labor economics
1
336 - Public finance
1
338 - Production
1
342 - Constitutional & administrative law
1
343 - Military, tax, trade & industrial law
1
364 - Criminology
1
370 - Education
1
400 - Language
1
more ...