Classification
000 - Computer science, information & general works
3
100 - Philosophy & psychology
1
140 - Specific philosophical schools
3
300 - Social sciences
1
320 - Political science
2
330 - Economics
2
333 - Economics of land & energy
4
363 - Other social problems & services
2
370 - Education
400 - Language
2
530 - Physics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
2
600 - Technology
6
610 - Medicine & health
4
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
6
720 - Architecture
2
900 - History & geography
2