Classification
320 - Political science
380 - Commerce, communications & transportation
330 - Economics
3
363 - Other social problems & services
3
630 - Agriculture & related technologies
2
100 - Philosophy & psychology
1
170 - Ethics
1
333 - Economics of land & energy
1
340 - Law
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
600 - Technology
1
620 - Engineering & allied operations
1
657 - Accounting
1
658 - General management
1
900 - History & geography
1