Classification
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
363 - Other social problems & services
2
580 - Plants (Botany)
2
700 - The arts; fine & decorative arts
2
301 - Sociology & anthropology
1
330 - Economics
1
333 - Economics of land & energy
1
551 - Geology, hydrology & meteorology
1
658 - General management
1
720 - Architecture
1
900 - History & geography
1