Classification
320 - Political science
370 - Education
380 - Commerce, communications & transportation
600 - Technology
5
620 - Engineering & allied operations
900 - History & geography
300 - Social sciences
4
100 - Philosophy & psychology
3
330 - Economics
3
400 - Language
3
700 - The arts; fine & decorative arts
3
333 - Economics of land & energy
2
500 - Natural sciences & mathematics
2
658 - General management
2
780 - Music
2
000 - Computer science, information & general works
1
340 - Law
1
363 - Other social problems & services
1
410 - Linguistics
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
720 - Architecture
1