Classification
140 - Specific philosophical schools
320 - Political science
3
330 - Economics
3
610 - Medicine & health
657 - Accounting
658 - General management
170 - Ethics
2
333 - Economics of land & energy
2
361 - Social problems & social welfare in general
2
650 - Management & auxiliary services
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
300 - Social sciences
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1