Classification
300 - Social sciences
600 - Technology
320 - Political science
83
620 - Engineering & allied operations
77
900 - History & geography
73
700 - The arts; fine & decorative arts
69
330 - Economics
68
100 - Philosophy & psychology
62
000 - Computer science, information & general works
56
301 - Sociology & anthropology
52
370 - Education
51
630 - Agriculture & related technologies
47
610 - Medicine & health
46
363 - Other social problems & services
42
140 - Specific philosophical schools
41
380 - Commerce, communications & transportation
41
333 - Economics of land & energy
39
170 - Ethics
26
500 - Natural sciences & mathematics
23
340 - Law
17
200 - Religion
16
400 - Language
15
780 - Music
12
551 - Geology, hydrology & meteorology
11
576 - Genetics & evolution
11
120 - Epistemology, causation & humankind
8
530 - Physics
8
581 - Specific topics in natural history
8
720 - Architecture
8
304 - Factors affecting social behavior
7
658 - General management
7
364 - Criminology
6
540 - Chemistry & allied sciences
6
580 - Plants (Botany)
6
800 - Literature & rhetoric
6
361 - Social problems & social welfare in general
5
410 - Linguistics
5
302 - Social interaction
4
350 - Public administration & military science
4
360 - Social problems & services; associations
4
670 - Manufacturing
3
770 - Photography, photographs & computer art
3
160 - Logic
2
338 - Production
2
791 - Public performances
2
006 - Special computer methods
1
297 - Islam, Babism & Bahai Faith
1
332 - Financial economics
1
520 - Astronomy & allied sciences
1
650 - Management & auxiliary services
1
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