Classification
610 - Medicine & health
304 - Factors affecting social behavior
14
330 - Economics
11
306 - Culture & institutions
7
363 - Other social problems & services
4
700 - The arts; fine & decorative arts
3
320 - Political science
2
333 - Economics of land & energy
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
300 - Social sciences
1
370 - Education
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1
900 - History & geography
1