Classification
170 - Ethics
330 - Economics
650 - Management & auxiliary services
18
657 - Accounting
320 - Political science
10
140 - Specific philosophical schools
9
363 - Other social problems & services
9
300 - Social sciences
7
658 - General management
5
340 - Law
2
380 - Commerce, communications & transportation
2
600 - Technology
2
100 - Philosophy & psychology
1
361 - Social problems & social welfare in general
1
370 - Education
1
610 - Medicine & health
1