Classification
300 - Social sciences
363 - Other social problems & services
610 - Medicine & health
2
100 - Philosophy & psychology
1
170 - Ethics
1
320 - Political science
1
333 - Economics of land & energy
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
720 - Architecture
1
800 - Literature & rhetoric
1
900 - History & geography
1