Classification
300 - Social sciences
320 - Political science
330 - Economics
20
900 - History & geography
6
630 - Agriculture & related technologies
3
333 - Economics of land & energy
2
340 - Law
2
610 - Medicine & health
2
657 - Accounting
2
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
600 - Technology
1
650 - Management & auxiliary services
1
700 - The arts; fine & decorative arts
1