Classification
338 - Production
333
330 - Economics
207
658 - General management
50
339 - Macroeconomics & related topics
29
332 - Financial economics
26
333 - Economics of land & energy
24
336 - Public finance
21
331 - Labor economics
17
320 - Political science
15
337 - International economics
12
650 - Management & auxiliary services
7
300 - Social sciences
6
301 - Sociology & anthropology
5
100 - Philosophy & psychology
4
170 - Ethics
4
340 - Law
4
368 - Insurance
4
381 - Commerce
4
519 - Probabilities & applied mathematics
4
657 - Accounting
4
153 - Mental processes & intelligence
3
306 - Culture & institutions
3
343 - Military, tax, trade & industrial law
3
361 - Social problems & social welfare in general
3
380 - Commerce, communications & transportation
3
600 - Technology
3
000 - Computer science, information & general works
2
001 - Knowledge
2
006 - Special computer methods
2
302 - Social interaction
2
304 - Factors affecting social behavior
2
327 - International relations
2
351 - Public administration
2
363 - Other social problems & services
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
796 - Athletic & outdoor sports & games
2
900 - History & geography
2
003 - Systems
1
004 - Data processing & computer science
1
005 - Computer programming, programs & data
1
111 - Ontology
1
155 - Differential & developmental psychology
1
174 - Occupational ethics
1
344 - Labor, social, education & cultural law
1
355 - Military science
1
362 - Social welfare problems & services
1
370 - Education
1
371 - Schools & their activities; special education
1
378 - Higher education
1
more ...