Classification
300 - Social sciences
340 - Law
330 - Economics
4
333 - Economics of land & energy
4
301 - Sociology & anthropology
3
320 - Political science
3
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
170 - Ethics
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
364 - Criminology
1
800 - Literature & rhetoric
1