Classification
302 - Social interaction
658 - General management
3,099
300 - Social sciences
2,500
330 - Economics
2,444
500 - Natural sciences & mathematics
1,555
670 - Manufacturing
1,440
331 - Labor economics
982
006 - Special computer methods
779
338 - Production
645
384 - Communications; telecommunication
576
381 - Commerce
523
650 - Management & auxiliary services
391
745 - Decorative arts
375
158 - Applied psychology
303
380 - Commerce, communications & transportation
273
153 - Mental processes & intelligence
244
000 - Computer science, information & general works
232
620 - Engineering & allied operations
194
770 - Photography, photographs & computer art
171
155 - Differential & developmental psychology
168
303 - Social processes
95
005 - Computer programming, programs & data
84
150 - Psychology
78
659 - Advertising & public relations
78
001 - Knowledge
71
332 - Financial economics
67
305 - Social groups
57
004 - Data processing & computer science
35
170 - Ethics
32
368 - Insurance
31
775 - Digital photography
31
771 - Techniques, equipment & materials
24
510 - Mathematics
20
808 - Rhetoric & collections of literature
18
152 - Perception, movement, emotions & drives
16
011 - Bibliographies
15
304 - Factors affecting social behavior
14
621 - Applied physics
13
777 - [Unassigned]
12
003 - Systems
11
781 - General principles & musical forms
11
306 - Culture & institutions
10
519 - Probabilities & applied mathematics
10
174 - Occupational ethics
9
320 - Political science
9
362 - Social welfare problems & services
9
374 - Adult education
9
333 - Economics of land & energy
8
686 - Printing & related activities
8
900 - History & geography
8
more ...