Classification
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
140 - Specific philosophical schools
170 - Ethics
3
340 - Law
400 - Language
2
530 - Physics
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
200 - Religion
1
320 - Political science
1
333 - Economics of land & energy
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1