Classification
658 - General management
165
330 - Economics
143
332 - Financial economics
95
338 - Production
53
300 - Social sciences
45
302 - Social interaction
28
006 - Special computer methods
22
381 - Commerce
21
519 - Probabilities & applied mathematics
21
331 - Labor economics
19
650 - Management & auxiliary services
19
005 - Computer programming, programs & data
17
158 - Applied psychology
15
500 - Natural sciences & mathematics
15
000 - Computer science, information & general works
14
670 - Manufacturing
12
339 - Macroeconomics & related topics
10
153 - Mental processes & intelligence
9
368 - Insurance
8
530 - Physics
8
001 - Knowledge
6
380 - Commerce, communications & transportation
6
620 - Engineering & allied operations
6
003 - Systems
5
320 - Political science
5
384 - Communications; telecommunication
5
004 - Data processing & computer science
4
333 - Economics of land & energy
4
600 - Technology
4
621 - Applied physics
4
659 - Advertising & public relations
4
900 - History & geography
4
170 - Ethics
3
303 - Social processes
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
337 - International economics
2
346 - Private law
2
362 - Social welfare problems & services
2
576 - Genetics & evolution
2
610 - Medicine & health
2
025 - Library operations
1
174 - Occupational ethics
1
261 - Social theology
1
336 - Public finance
1
355 - Military science
1
363 - Other social problems & services
1
364 - Criminology
1
374 - Adult education
1
more ...