Classification
140 - Specific philosophical schools
300 - Social sciences
7
330 - Economics
363 - Other social problems & services
600 - Technology
320 - Political science
3
610 - Medicine & health
3
000 - Computer science, information & general works
2
170 - Ethics
2
380 - Commerce, communications & transportation
2
658 - General management
2
100 - Philosophy & psychology
1
301 - Sociology & anthropology
1
340 - Law
1
364 - Criminology
1
370 - Education
1
620 - Engineering & allied operations
1
650 - Management & auxiliary services
1
657 - Accounting
1
900 - History & geography
1