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