Classification
300 - Social sciences
330 - Economics
361 - Social problems & social welfare in general
658 - General management
6
320 - Political science
5
140 - Specific philosophical schools
2
360 - Social problems & services; associations
2
170 - Ethics
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
600 - Technology
1