Classification
170 - Ethics
100 - Philosophy & psychology
14
900 - History & geography
14
320 - Political science
7
700 - The arts; fine & decorative arts
7
800 - Literature & rhetoric
6
140 - Specific philosophical schools
4
200 - Religion
4
600 - Technology
4
363 - Other social problems & services
3
301 - Sociology & anthropology
2
340 - Law
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
330 - Economics
1
370 - Education
1
400 - Language
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
780 - Music
1