Classification
100 - Philosophy & psychology
900 - History & geography
8
200 - Religion
6
320 - Political science
5
800 - Literature & rhetoric
4
300 - Social sciences
3
400 - Language
3
700 - The arts; fine & decorative arts
3
301 - Sociology & anthropology
2
370 - Education
2
380 - Commerce, communications & transportation
2
410 - Linguistics
2
500 - Natural sciences & mathematics
2
780 - Music
2
000 - Computer science, information & general works
1
160 - Logic
1
170 - Ethics
1
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1