Classification
658 - General management
330 - Economics
2,140
670 - Manufacturing
1,909
300 - Social sciences
1,538
302 - Social interaction
1,515
500 - Natural sciences & mathematics
1,473
338 - Production
690
381 - Commerce
394
331 - Labor economics
350
650 - Management & auxiliary services
242
620 - Engineering & allied operations
232
158 - Applied psychology
182
384 - Communications; telecommunication
176
000 - Computer science, information & general works
175
332 - Financial economics
157
153 - Mental processes & intelligence
139
380 - Commerce, communications & transportation
121
745 - Decorative arts
109
150 - Psychology
80
001 - Knowledge
71
600 - Technology
64
368 - Insurance
55
700 - The arts; fine & decorative arts
53
333 - Economics of land & energy
45
006 - Special computer methods
41
005 - Computer programming, programs & data
40
004 - Data processing & computer science
37
363 - Other social problems & services
31
304 - Factors affecting social behavior
28
659 - Advertising & public relations
21
900 - History & geography
20
170 - Ethics
19
374 - Adult education
18
580 - Plants (Botany)
17
510 - Mathematics
16
610 - Medicine & health
16
303 - Social processes
15
519 - Probabilities & applied mathematics
15
621 - Applied physics
15
320 - Political science
14
140 - Specific philosophical schools
13
629 - Other branches of engineering
13
576 - Genetics & evolution
12
741 - Drawing & drawings
9
781 - General principles & musical forms
9
800 - Literature & rhetoric
9
152 - Perception, movement, emotions & drives
8
808 - Rhetoric & collections of literature
8
630 - Agriculture & related technologies
7
720 - Architecture
7
more ...