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