Classification
304 - Factors affecting social behavior
140 - Specific philosophical schools
11
300 - Social sciences
4
330 - Economics
4
301 - Sociology & anthropology
3
320 - Political science
3
500 - Natural sciences & mathematics
3
700 - The arts; fine & decorative arts
3
333 - Economics of land & energy
2
340 - Law
2
370 - Education
2
000 - Computer science, information & general works
1
303 - Social processes
1
350 - Public administration & military science
1
363 - Other social problems & services
1
364 - Criminology
1
600 - Technology
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
900 - History & geography
1