Classification
320 - Political science
330 - Economics
657 - Accounting
658 - General management
140 - Specific philosophical schools
2
333 - Economics of land & energy
2
610 - Medicine & health
2
650 - Management & auxiliary services
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1