Classification
530 - Physics
100 - Philosophy & psychology
11
120 - Epistemology, causation & humankind
4
900 - History & geography
4
600 - Technology
3
160 - Logic
2
170 - Ethics
2
300 - Social sciences
2
320 - Political science
2
340 - Law
2
500 - Natural sciences & mathematics
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
1
400 - Language
1
576 - Genetics & evolution
1