Classification
338 - Production
658 - General management
2,869
330 - Economics
2,749
300 - Social sciences
875
302 - Social interaction
639
331 - Labor economics
637
332 - Financial economics
584
500 - Natural sciences & mathematics
455
000 - Computer science, information & general works
399
381 - Commerce
384
670 - Manufacturing
379
650 - Management & auxiliary services
363
158 - Applied psychology
261
333 - Economics of land & energy
225
384 - Communications; telecommunication
217
153 - Mental processes & intelligence
191
620 - Engineering & allied operations
160
005 - Computer programming, programs & data
137
004 - Data processing & computer science
128
343 - Military, tax, trade & industrial law
118
657 - Accounting
91
006 - Special computer methods
86
001 - Knowledge
71
745 - Decorative arts
67
303 - Social processes
59
304 - Factors affecting social behavior
53
380 - Commerce, communications & transportation
51
621 - Applied physics
47
368 - Insurance
39
170 - Ethics
36
800 - Literature & rhetoric
31
659 - Advertising & public relations
29
600 - Technology
26
796 - Athletic & outdoor sports & games
20
364 - Criminology
18
150 - Psychology
15
339 - Macroeconomics & related topics
14
346 - Private law
14
510 - Mathematics
14
629 - Other branches of engineering
14
011 - Bibliographies
12
174 - Occupational ethics
11
610 - Medicine & health
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 ...