Classification
300 - Social sciences
001 - Knowledge
115
330 - Economics
93
658 - General management
77
302 - Social interaction
70
500 - Natural sciences & mathematics
49
670 - Manufacturing
46
320 - Political science
43
900 - History & geography
29
301 - Sociology & anthropology
21
331 - Labor economics
20
338 - Production
17
700 - The arts; fine & decorative arts
14
333 - Economics of land & energy
13
000 - Computer science, information & general works
12
363 - Other social problems & services
11
381 - Commerce
11
140 - Specific philosophical schools
10
620 - Engineering & allied operations
10
100 - Philosophy & psychology
9
200 - Religion
8
380 - Commerce, communications & transportation
8
600 - Technology
8
610 - Medicine & health
7
340 - Law
6
332 - Financial economics
5
368 - Insurance
5
370 - Education
5
576 - Genetics & evolution
5
581 - Specific topics in natural history
5
158 - Applied psychology
4
364 - Criminology
4
551 - Geology, hydrology & meteorology
4
580 - Plants (Botany)
4
800 - Literature & rhetoric
4
304 - Factors affecting social behavior
3
360 - Social problems & services; associations
3
361 - Social problems & social welfare in general
3
414 - Phonology & phonetics
3
540 - Chemistry & allied sciences
3
612 - Human physiology
3
630 - Agriculture & related technologies
3
650 - Management & auxiliary services
3
005 - Computer programming, programs & data
2
153 - Mental processes & intelligence
2
170 - Ethics
2
350 - Public administration & military science
2
352 - General considerations of public administration
2
384 - Communications; telecommunication
2
400 - Language
2
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