Classification
580 - Plants (Botany)
5
000 - Computer science, information & general works
3
363 - Other social problems & services
3
551 - Geology, hydrology & meteorology
2
600 - Technology
2
620 - Engineering & allied operations
2
720 - Architecture
2
330 - Economics
1
340 - Law
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
657 - Accounting
1