Classification
140 - Specific philosophical schools
300 - Social sciences
301 - Sociology & anthropology
320 - Political science
330 - Economics
5
900 - History & geography
5
100 - Philosophy & psychology
4
600 - Technology
3
170 - Ethics
2
340 - Law
2
370 - Education
2
576 - Genetics & evolution
2
304 - Factors affecting social behavior
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1
791 - Public performances
1