Classification
610 - Medicine & health
177
330 - Economics
15
140 - Specific philosophical schools
11
100 - Philosophy & psychology
8
370 - Education
6
700 - The arts; fine & decorative arts
6
600 - Technology
4
612 - Human physiology
4
580 - Plants (Botany)
3
362 - Social welfare problems & services
2
615 - Pharmacology & therapeutics
2
616 - Diseases
2
340 - Law
1
540 - Chemistry & allied sciences
1
800 - Literature & rhetoric
1