Classification
370 - Education
700 - The arts; fine & decorative arts
600 - Technology
5
000 - Computer science, information & general works
3
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
610 - Medicine & health
3
330 - Economics
2
400 - Language
2
720 - Architecture
2
320 - Political science
1
363 - Other social problems & services
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
900 - History & geography
1