Classification
140 - Specific philosophical schools
170 - Ethics
320 - Political science
330 - Economics
361 - Social problems & social welfare in general
610 - Medicine & health
2
650 - Management & auxiliary services
2
657 - Accounting
658 - General management
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
300 - Social sciences
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1