Classification
720 - Architecture
696 - Utilities
35
320 - Political science
2
363 - Other social problems & services
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
330 - Economics
1
333 - Economics of land & energy
1
370 - Education
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1