Classification
100 - Philosophy & psychology
780 - Music
700 - The arts; fine & decorative arts
4
140 - Specific philosophical schools
2
900 - History & geography
2
170 - Ethics
1
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
340 - Law
1
581 - Specific topics in natural history
1