Classification
630 - Agriculture & related technologies
657 - Accounting
320 - Political science
3
330 - Economics
3
333 - Economics of land & energy
3
000 - Computer science, information & general works
2
600 - Technology
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
363 - Other social problems & services
1
370 - Education
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
658 - General management
1
900 - History & geography
1