Classification
300 - Social sciences
900 - History & geography
800 - Literature & rhetoric
9
140 - Specific philosophical schools
5
410 - Linguistics
5
340 - Law
4
398 - Folklore
4
200 - Religion
3
301 - Sociology & anthropology
3
100 - Philosophy & psychology
2
320 - Political science
2
330 - Economics
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
400 - Language
1
780 - Music
1