Classification
100 - Philosophy & psychology
361 - Social problems & social welfare in general
330 - Economics
5
610 - Medicine & health
4
900 - History & geography
4
320 - Political science
3
333 - Economics of land & energy
3
140 - Specific philosophical schools
2
170 - Ethics
2
340 - Law
2
300 - Social sciences
1
304 - Factors affecting social behavior
1
306 - Culture & institutions
1
350 - Public administration & military science
1
363 - Other social problems & services
1
370 - Education
1
700 - The arts; fine & decorative arts
1