Classification
658 - General management
3,538
330 - Economics
157
650 - Management & auxiliary services
93
158 - Applied psychology
64
338 - Production
63
174 - Occupational ethics
56
005 - Computer programming, programs & data
40
332 - Financial economics
39
657 - Accounting
39
004 - Data processing & computer science
36
333 - Economics of land & energy
34
336 - Public finance
27
306 - Culture & institutions
21
170 - Ethics
20
320 - Political science
20
362 - Social welfare problems & services
19
337 - International economics
18
363 - Other social problems & services
18
300 - Social sciences
17
302 - Social interaction
17
303 - Social processes
17
670 - Manufacturing
16
006 - Special computer methods
15
620 - Engineering & allied operations
14
140 - Specific philosophical schools
13
381 - Commerce
13
700 - The arts; fine & decorative arts
12
000 - Computer science, information & general works
11
500 - Natural sciences & mathematics
11
610 - Medicine & health
11
340 - Law
10
343 - Military, tax, trade & industrial law
9
600 - Technology
9
624 - Civil engineering
9
346 - Private law
8
380 - Commerce, communications & transportation
8
659 - Advertising & public relations
7
331 - Labor economics
6
370 - Education
6
100 - Philosophy & psychology
5
150 - Psychology
5
304 - Factors affecting social behavior
5
339 - Macroeconomics & related topics
5
351 - Public administration
5
621 - Applied physics
5
900 - History & geography
5
153 - Mental processes & intelligence
4
796 - Athletic & outdoor sports & games
4
003 - Systems
3
301 - Sociology & anthropology
3
more ...