Classification
300 - Social sciences
700 - The arts; fine & decorative arts
900 - History & geography
320 - Political science
8
301 - Sociology & anthropology
6
100 - Philosophy & psychology
4
400 - Language
3
410 - Linguistics
3
800 - Literature & rhetoric
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
200 - Religion
2
330 - Economics
2
363 - Other social problems & services
2
770 - Photography, photographs & computer art
2
120 - Epistemology, causation & humankind
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
600 - Technology
1
720 - Architecture
1
943 - Central Europe; Germany
1