Classification
302 - Social interaction
1,810
658 - General management
1,772
300 - Social sciences
1,732
330 - Economics
1,546
500 - Natural sciences & mathematics
1,387
670 - Manufacturing
1,384
338 - Production
323
331 - Labor economics
322
381 - Commerce
218
650 - Management & auxiliary services
145
158 - Applied psychology
127
384 - Communications; telecommunication
121
153 - Mental processes & intelligence
104
380 - Commerce, communications & transportation
74
332 - Financial economics
53
000 - Computer science, information & general works
50
620 - Engineering & allied operations
40
745 - Decorative arts
34
368 - Insurance
27
150 - Psychology
25
001 - Knowledge
24
170 - Ethics
18
006 - Special computer methods
14
510 - Mathematics
13
152 - Perception, movement, emotions & drives
12
303 - Social processes
12
659 - Advertising & public relations
12
174 - Occupational ethics
10
305 - Social groups
10
005 - Computer programming, programs & data
9
155 - Differential & developmental psychology
9
304 - Factors affecting social behavior
9
808 - Rhetoric & collections of literature
8
519 - Probabilities & applied mathematics
7
306 - Culture & institutions
6
374 - Adult education
6
004 - Data processing & computer science
4
362 - Social welfare problems & services
4
363 - Other social problems & services
4
600 - Technology
4
610 - Medicine & health
3
657 - Accounting
3
800 - Literature & rhetoric
3
301 - Sociology & anthropology
2
333 - Economics of land & energy
2
011 - Bibliographies
1
028 - Reading & use of other information media
1
128 - Humankind
1
140 - Specific philosophical schools
1
320 - Political science
1
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