Classification
300 - Social sciences
320 - Political science
4
340 - Law
610 - Medicine & health
3
140 - Specific philosophical schools
2
333 - Economics of land & energy
2
301 - Sociology & anthropology
1
330 - Economics
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
380 - Commerce, communications & transportation
1