Classification
100 - Philosophy & psychology
170 - Ethics
620 - Engineering & allied operations
630 - Agriculture & related technologies
600 - Technology
5
140 - Specific philosophical schools
4
320 - Political science
3
300 - Social sciences
2
363 - Other social problems & services
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
200 - Religion
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1