Classification
330 - Economics
25
000 - Computer science, information & general works
3
333 - Economics of land & energy
2
580 - Plants (Botany)
2
610 - Medicine & health
2
340 - Law
1
363 - Other social problems & services
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1