Classification
338 - Production
658 - General management
2,916
330 - Economics
2,788
300 - Social sciences
880
302 - Social interaction
645
331 - Labor economics
643
332 - Financial economics
594
500 - Natural sciences & mathematics
458
000 - Computer science, information & general works
398
381 - Commerce
388
670 - Manufacturing
381
650 - Management & auxiliary services
370
158 - Applied psychology
266
384 - Communications; telecommunication
222
333 - Economics of land & energy
219
153 - Mental processes & intelligence
193
620 - Engineering & allied operations
164
005 - Computer programming, programs & data
141
004 - Data processing & computer science
130
343 - Military, tax, trade & industrial law
124
657 - Accounting
93
006 - Special computer methods
88
001 - Knowledge
71
745 - Decorative arts
67
303 - Social processes
61
304 - Factors affecting social behavior
53
380 - Commerce, communications & transportation
51
621 - Applied physics
50
368 - Insurance
39
170 - Ethics
36
800 - Literature & rhetoric
33
659 - Advertising & public relations
30
600 - Technology
27
364 - Criminology
21
796 - Athletic & outdoor sports & games
20
150 - Psychology
15
346 - Private law
15
629 - Other branches of engineering
15
339 - Macroeconomics & related topics
14
510 - Mathematics
14
011 - Bibliographies
12
610 - Medicine & health
12
174 - Occupational ethics
11
025 - Library operations
10
374 - Adult education
10
519 - Probabilities & applied mathematics
10
362 - Social welfare problems & services
9
363 - Other social problems & services
9
700 - The arts; fine & decorative arts
9
320 - Political science
8
more ...