Classification
300 - Social sciences
658 - General management
277
330 - Economics
192
500 - Natural sciences & mathematics
122
302 - Social interaction
116
384 - Communications; telecommunication
102
380 - Commerce, communications & transportation
98
338 - Production
54
000 - Computer science, information & general works
42
005 - Computer programming, programs & data
42
331 - Labor economics
42
320 - Political science
37
670 - Manufacturing
30
371 - Schools & their activities; special education
29
620 - Engineering & allied operations
27
610 - Medicine & health
26
004 - Data processing & computer science
23
332 - Financial economics
23
370 - Education
23
650 - Management & auxiliary services
23
153 - Mental processes & intelligence
21
600 - Technology
20
381 - Commerce
17
700 - The arts; fine & decorative arts
16
158 - Applied psychology
15
745 - Decorative arts
15
100 - Philosophy & psychology
14
333 - Economics of land & energy
14
140 - Specific philosophical schools
13
150 - Psychology
13
301 - Sociology & anthropology
13
362 - Social welfare problems & services
12
001 - Knowledge
11
657 - Accounting
10
361 - Social problems & social welfare in general
9
363 - Other social problems & services
9
303 - Social processes
8
343 - Military, tax, trade & industrial law
8
006 - Special computer methods
7
340 - Law
6
900 - History & geography
6
025 - Library operations
5
155 - Differential & developmental psychology
5
170 - Ethics
5
364 - Criminology
5
630 - Agriculture & related technologies
5
659 - Advertising & public relations
5
400 - Language
4
808 - Rhetoric & collections of literature
3
200 - Religion
2
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