Classification
330 - Economics
700 - The arts; fine & decorative arts
5
333 - Economics of land & energy
4
610 - Medicine & health
4
000 - Computer science, information & general works
3
361 - Social problems & social welfare in general
2
363 - Other social problems & services
2
551 - Geology, hydrology & meteorology
2
600 - Technology
2
620 - Engineering & allied operations
2
304 - Factors affecting social behavior
1
320 - Political science
1
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
658 - General management
1
720 - Architecture
1
900 - History & geography
1