Classification
100 - Philosophy & psychology
340 - Law
324
320 - Political science
303
900 - History & geography
119
330 - Economics
118
300 - Social sciences
110
170 - Ethics
39
700 - The arts; fine & decorative arts
39
370 - Education
33
200 - Religion
31
363 - Other social problems & services
23
380 - Commerce, communications & transportation
15
140 - Specific philosophical schools
14
600 - Technology
12
610 - Medicine & health
12
658 - General management
10
333 - Economics of land & energy
9
650 - Management & auxiliary services
9
657 - Accounting
9
301 - Sociology & anthropology
8
361 - Social problems & social welfare in general
8
410 - Linguistics
7
000 - Computer science, information & general works
5
120 - Epistemology, causation & humankind
5
364 - Criminology
5
780 - Music
5
304 - Factors affecting social behavior
4
360 - Social problems & services; associations
4
297 - Islam, Babism & Bahai Faith
3
400 - Language
3
576 - Genetics & evolution
3
336 - Public finance
2
350 - Public administration & military science
2
530 - Physics
2
620 - Engineering & allied operations
2
720 - Architecture
2
160 - Logic
1
296 - Judaism
1
500 - Natural sciences & mathematics
1
800 - Literature & rhetoric
1