Classification
140 - Specific philosophical schools
320 - Political science
2
330 - Economics
340 - Law
361 - Social problems & social welfare in general
610 - Medicine & health
658 - General management
170 - Ethics
1
300 - Social sciences
1
333 - Economics of land & energy
1
370 - Education
1
650 - Management & auxiliary services
1
657 - Accounting
1