Classification
300 - Social sciences
320 - Political science
316
900 - History & geography
207
100 - Philosophy & psychology
180
330 - Economics
154
370 - Education
78
304 - Factors affecting social behavior
69
301 - Sociology & anthropology
67
700 - The arts; fine & decorative arts
65
340 - Law
64
600 - Technology
59
140 - Specific philosophical schools
51
658 - General management
49
380 - Commerce, communications & transportation
42
500 - Natural sciences & mathematics
35
200 - Religion
33
610 - Medicine & health
27
302 - Social interaction
26
170 - Ethics
23
333 - Economics of land & energy
23
363 - Other social problems & services
21
000 - Computer science, information & general works
20
800 - Literature & rhetoric
20
670 - Manufacturing
18
576 - Genetics & evolution
15
720 - Architecture
14
620 - Engineering & allied operations
12
780 - Music
12
338 - Production
11
410 - Linguistics
11
120 - Epistemology, causation & humankind
10
384 - Communications; telecommunication
10
400 - Language
10
581 - Specific topics in natural history
10
791 - Public performances
10
361 - Social problems & social welfare in general
9
004 - Data processing & computer science
8
331 - Labor economics
8
650 - Management & auxiliary services
8
001 - Knowledge
6
153 - Mental processes & intelligence
6
364 - Criminology
5
530 - Physics
5
770 - Photography, photographs & computer art
5
297 - Islam, Babism & Bahai Faith
4
158 - Applied psychology
3
160 - Logic
3
381 - Commerce
3
551 - Geology, hydrology & meteorology
3
303 - Social processes
2
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