Classification
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
340 - Law
000 - Computer science, information & general works
2
170 - Ethics
2
320 - Political science
2
576 - Genetics & evolution
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
140 - Specific philosophical schools
1
200 - Religion
1
333 - Economics of land & energy
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
600 - Technology
1