Classification
000 - Computer science, information & general works
12
100 - Philosophy & psychology
1
140 - Specific philosophical schools
6
170 - Ethics
1
300 - Social sciences
2
320 - Political science
3
330 - Economics
7
333 - Economics of land & energy
15
340 - Law
5
363 - Other social problems & services
7
370 - Education
1
380 - Commerce, communications & transportation
9
410 - Linguistics
2
500 - Natural sciences & mathematics
530 - Physics
4
540 - Chemistry & allied sciences
4
576 - Genetics & evolution
580 - Plants (Botany)
1
581 - Specific topics in natural history
5
600 - Technology
610 - Medicine & health
5
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
20
630 - Agriculture & related technologies
2
658 - General management
4
700 - The arts; fine & decorative arts
21
720 - Architecture
6
900 - History & geography
16