Classification
100 - Philosophy & psychology
4
120 - Epistemology, causation & humankind
170 - Ethics
400 - Language
140 - Specific philosophical schools
2
320 - Political science
2
340 - Law
2
530 - Physics
2
000 - Computer science, information & general works
1
200 - Religion
1
333 - Economics of land & energy
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1