Classification
200 - Religion
320 - Political science
340 - Law
330 - Economics
27
900 - History & geography
16
100 - Philosophy & psychology
11
300 - Social sciences
11
170 - Ethics
5
800 - Literature & rhetoric
5
000 - Computer science, information & general works
4
297 - Islam, Babism & Bahai Faith
4
301 - Sociology & anthropology
4
700 - The arts; fine & decorative arts
4
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
363 - Other social problems & services
3
370 - Education
3
400 - Language
3
581 - Specific topics in natural history
3
600 - Technology
3
120 - Epistemology, causation & humankind
2
304 - Factors affecting social behavior
2
380 - Commerce, communications & transportation
2
410 - Linguistics
2
610 - Medicine & health
2
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1