Classification
300 - Social sciences
320 - Political science
650 - Management & auxiliary services
8
657 - Accounting
330 - Economics
7
170 - Ethics
5
363 - Other social problems & services
4
140 - Specific philosophical schools
3
600 - Technology
3
610 - Medicine & health
2
658 - General management
2
340 - Law
1
361 - Social problems & social welfare in general
1
370 - Education
1
380 - Commerce, communications & transportation
1