Classification
330 - Economics
3
340 - Law
3
600 - Technology
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
100 - Philosophy & psychology
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
370 - Education
1
610 - Medicine & health
1
720 - Architecture
1