Classification
300 - Social sciences
001 - Knowledge
4,006
140 - Specific philosophical schools
337
330 - Economics
139
320 - Political science
116
900 - History & geography
87
658 - General management
84
700 - The arts; fine & decorative arts
71
301 - Sociology & anthropology
58
302 - Social interaction
55
100 - Philosophy & psychology
49
340 - Law
46
331 - Labor economics
45
363 - Other social problems & services
43
333 - Economics of land & energy
39
370 - Education
39
600 - Technology
39
500 - Natural sciences & mathematics
31
610 - Medicine & health
31
170 - Ethics
30
380 - Commerce, communications & transportation
30
200 - Religion
27
338 - Production
26
800 - Literature & rhetoric
26
304 - Factors affecting social behavior
24
000 - Computer science, information & general works
22
620 - Engineering & allied operations
16
720 - Architecture
16
581 - Specific topics in natural history
15
410 - Linguistics
14
576 - Genetics & evolution
14
670 - Manufacturing
14
551 - Geology, hydrology & meteorology
12
400 - Language
10
361 - Social problems & social welfare in general
8
630 - Agriculture & related technologies
7
780 - Music
7
384 - Communications; telecommunication
6
580 - Plants (Botany)
6
120 - Epistemology, causation & humankind
5
153 - Mental processes & intelligence
4
297 - Islam, Babism & Bahai Faith
4
364 - Criminology
4
650 - Management & auxiliary services
4
745 - Decorative arts
4
150 - Psychology
3
360 - Social problems & services; associations
3
414 - Phonology & phonetics
3
540 - Chemistry & allied sciences
3
612 - Human physiology
3
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