Classification
300 - Social sciences
364 - Criminology
320 - Political science
7
900 - History & geography
5
140 - Specific philosophical schools
3
340 - Law
3
301 - Sociology & anthropology
2
100 - Philosophy & psychology
1
330 - Economics
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1