Classification
700 - The arts; fine & decorative arts
6
000 - Computer science, information & general works
4
330 - Economics
4
363 - Other social problems & services
4
600 - Technology
4
333 - Economics of land & energy
3
380 - Commerce, communications & transportation
3
620 - Engineering & allied operations
3
580 - Plants (Botany)
2
900 - History & geography
2
540 - Chemistry & allied sciences
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1