Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
170 - Ethics
1
333 - Economics of land & energy
1
340 - Law
1
400 - Language
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution