Classification
000 - Computer science, information & general works
333 - Economics of land & energy
5
600 - Technology
5
630 - Agriculture & related technologies
658 - General management
330 - Economics
4
620 - Engineering & allied operations
4
580 - Plants (Botany)
3
610 - Medicine & health
3
363 - Other social problems & services
2
551 - Geology, hydrology & meteorology
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
336 - Public finance
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1