Classification
600 - Technology
4
620 - Engineering & allied operations
900 - History & geography
4
301 - Sociology & anthropology
2
363 - Other social problems & services
2
630 - Agriculture & related technologies
2
300 - Social sciences
1
320 - Political science
1
330 - Economics
1
540 - Chemistry & allied sciences
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1