Classification
338 - Production
658 - General management
3,040
330 - Economics
2,855
300 - Social sciences
895
302 - Social interaction
656
331 - Labor economics
654
332 - Financial economics
608
500 - Natural sciences & mathematics
463
381 - Commerce
401
000 - Computer science, information & general works
397
670 - Manufacturing
380
650 - Management & auxiliary services
377
158 - Applied psychology
272
384 - Communications; telecommunication
233
333 - Economics of land & energy
202
153 - Mental processes & intelligence
197
620 - Engineering & allied operations
166
005 - Computer programming, programs & data
150
343 - Military, tax, trade & industrial law
136
004 - Data processing & computer science
135
657 - Accounting
94
006 - Special computer methods
91
001 - Knowledge
77
745 - Decorative arts
69
303 - Social processes
66
304 - Factors affecting social behavior
57
621 - Applied physics
55
380 - Commerce, communications & transportation
54
368 - Insurance
41
170 - Ethics
36
800 - Literature & rhetoric
33
659 - Advertising & public relations
31
600 - Technology
29
364 - Criminology
24
796 - Athletic & outdoor sports & games
22
629 - Other branches of engineering
19
150 - Psychology
15
346 - Private law
15
610 - Medicine & health
15
339 - Macroeconomics & related topics
14
510 - Mathematics
14
011 - Bibliographies
12
174 - Occupational ethics
11
352 - General considerations of public administration
11
025 - Library operations
10
362 - Social welfare problems & services
10
374 - Adult education
10
519 - Probabilities & applied mathematics
10
700 - The arts; fine & decorative arts
10
363 - Other social problems & services
9
more ...