Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
2
170 - Ethics
1
330 - Economics
1
333 - Economics of land & energy
3
340 - Law
1
380 - Commerce, communications & transportation
2
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
530 - Physics
1
576 - Genetics & evolution
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2