Classification
650 - Management & auxiliary services
700 - The arts; fine & decorative arts
333 - Economics of land & energy
5
330 - Economics
4
580 - Plants (Botany)
4
657 - Accounting
4
000 - Computer science, information & general works
3
320 - Political science
3
363 - Other social problems & services
3
600 - Technology
3
350 - Public administration & military science
2
380 - Commerce, communications & transportation
2
530 - Physics
2
576 - Genetics & evolution
2
720 - Architecture
2
300 - Social sciences
1
340 - Law
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
900 - History & geography
1