Classification
615 - Pharmacology & therapeutics
610 - Medicine & health
13
363 - Other social problems & services
9
333 - Economics of land & energy
4
612 - Human physiology
4
330 - Economics
3
700 - The arts; fine & decorative arts
3
616 - Diseases
2
000 - Computer science, information & general works
1
340 - Law
1
600 - Technology
1
900 - History & geography
1