Classification
780 - Music
900 - History & geography
7
301 - Sociology & anthropology
6
330 - Economics
6
331 - Labor economics
5
700 - The arts; fine & decorative arts
4
320 - Political science
3
100 - Philosophy & psychology
2
300 - Social sciences
2
333 - Economics of land & energy
2
370 - Education
2
400 - Language
2
600 - Technology
2
658 - General management
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1
800 - Literature & rhetoric
1