Classification
610 - Medicine & health
22
300 - Social sciences
2
333 - Economics of land & energy
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
170 - Ethics
1
330 - Economics
1
363 - Other social problems & services
1
580 - Plants (Botany)
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1
820 - English & Old English literatures
1