Classification
100 - Philosophy & psychology
2
120 - Epistemology, causation & humankind
170 - Ethics
400 - Language
530 - Physics
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
200 - Religion
1
320 - Political science
1
333 - Economics of land & energy
1
340 - Law
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1