Classification
120 - Epistemology, causation & humankind
100 - Philosophy & psychology
11
530 - Physics
5
000 - Computer science, information & general works
4
170 - Ethics
4
200 - Religion
4
400 - Language
4
900 - History & geography
4
140 - Specific philosophical schools
3
500 - Natural sciences & mathematics
3
700 - The arts; fine & decorative arts
3
320 - Political science
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
576 - Genetics & evolution
2
160 - Logic
1
300 - Social sciences
1
301 - Sociology & anthropology
1
330 - Economics
1
340 - Law
1
370 - Education
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
800 - Literature & rhetoric
1