Classification
333 - Economics of land & energy
3
600 - Technology
3
720 - Architecture
3
363 - Other social problems & services
2
370 - Education
2
380 - Commerce, communications & transportation
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
000 - Computer science, information & general works
1
320 - Political science
1
330 - Economics
1
340 - Law
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
658 - General management
1