Classification
658 - General management
1,431
330 - Economics
1,402
500 - Natural sciences & mathematics
1,402
300 - Social sciences
1,378
302 - Social interaction
1,378
670 - Manufacturing
1,377
338 - Production
271
381 - Commerce
215
331 - Labor economics
156
650 - Management & auxiliary services
102
384 - Communications; telecommunication
95
158 - Applied psychology
85
153 - Mental processes & intelligence
80
380 - Commerce, communications & transportation
58
332 - Financial economics
51
620 - Engineering & allied operations
42
745 - Decorative arts
33
368 - Insurance
27
001 - Knowledge
23
006 - Special computer methods
15
510 - Mathematics
14
659 - Advertising & public relations
12
519 - Probabilities & applied mathematics
8
808 - Rhetoric & collections of literature
8
005 - Computer programming, programs & data
7
150 - Psychology
6
170 - Ethics
6
304 - Factors affecting social behavior
6
362 - Social welfare problems & services
6
374 - Adult education
6
152 - Perception, movement, emotions & drives
5
155 - Differential & developmental psychology
5
303 - Social processes
5
004 - Data processing & computer science
3
600 - Technology
3
306 - Culture & institutions
2
343 - Military, tax, trade & industrial law
2
800 - Literature & rhetoric
2
305 - Social groups
1
364 - Criminology
1
604 - Special topics
1
616 - Diseases
1
629 - Other branches of engineering
1
643 - Housing & household equipment
1
651 - Office services
1
657 - Accounting
1
741 - Drawing & drawings
1
781 - General principles & musical forms
1