Classification
658 - General management
3,495
330 - Economics
160
650 - Management & auxiliary services
95
006 - Special computer methods
71
158 - Applied psychology
64
338 - Production
63
174 - Occupational ethics
57
005 - Computer programming, programs & data
40
332 - Financial economics
39
657 - Accounting
39
333 - Economics of land & energy
38
004 - Data processing & computer science
37
336 - Public finance
27
170 - Ethics
22
306 - Culture & institutions
21
320 - Political science
21
363 - Other social problems & services
20
362 - Social welfare problems & services
19
300 - Social sciences
18
302 - Social interaction
18
337 - International economics
18
303 - Social processes
17
670 - Manufacturing
17
620 - Engineering & allied operations
14
700 - The arts; fine & decorative arts
14
140 - Specific philosophical schools
13
381 - Commerce
13
500 - Natural sciences & mathematics
13
000 - Computer science, information & general works
11
610 - Medicine & health
11
340 - Law
10
600 - Technology
10
343 - Military, tax, trade & industrial law
9
346 - Private law
9
624 - Civil engineering
9
380 - Commerce, communications & transportation
8
659 - Advertising & public relations
7
100 - Philosophy & psychology
6
331 - Labor economics
6
370 - Education
6
150 - Psychology
5
304 - Factors affecting social behavior
5
339 - Macroeconomics & related topics
5
351 - Public administration
5
621 - Applied physics
5
003 - Systems
4
153 - Mental processes & intelligence
4
796 - Athletic & outdoor sports & games
4
900 - History & geography
4
301 - Sociology & anthropology
3
more ...