Classification
100 - Philosophy & psychology
170 - Ethics
300 - Social sciences
320 - Political science
340 - Law
330 - Economics
4
140 - Specific philosophical schools
3
200 - Religion
3
301 - Sociology & anthropology
2
600 - Technology
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
000 - Computer science, information & general works
1
304 - Factors affecting social behavior
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
364 - Criminology
1
370 - Education
1
530 - Physics
1