Classification
140 - Specific philosophical schools
300 - Social sciences
320 - Political science
610 - Medicine & health
333 - Economics of land & energy
3
340 - Law
3
000 - Computer science, information & general works
2
330 - Economics
2
363 - Other social problems & services
2
600 - Technology
2
100 - Philosophy & psychology
1
301 - Sociology & anthropology
1
380 - Commerce, communications & transportation
1
658 - General management
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1