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