Classification
300 - Social sciences
330 - Economics
5
363 - Other social problems & services
658 - General management
140 - Specific philosophical schools
3
600 - Technology
3
657 - Accounting
3
170 - Ethics
2
320 - Political science
2
380 - Commerce, communications & transportation
2
650 - Management & auxiliary services
2
000 - Computer science, information & general works
1
333 - Economics of land & energy
1
361 - Social problems & social welfare in general
1
551 - Geology, hydrology & meteorology
1