Classification
330 - Economics
340 - Law
630 - Agriculture & related technologies
900 - History & geography
320 - Political science
8
333 - Economics of land & energy
2
300 - Social sciences
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1