Classification
100 - Philosophy & psychology
320 - Political science
330 - Economics
361 - Social problems & social welfare in general
300 - Social sciences
3
170 - Ethics
2
336 - Public finance
2
340 - Law
2
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1