Classification
000 - Computer science, information & general works
3
580 - Plants (Botany)
3
700 - The arts; fine & decorative arts
3
363 - Other social problems & services
2
650 - Management & auxiliary services
2
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
600 - Technology
1
620 - Engineering & allied operations
1