Classification
610 - Medicine & health
684
700 - The arts; fine & decorative arts
70
330 - Economics
39
580 - Plants (Botany)
20
100 - Philosophy & psychology
19
800 - Literature & rhetoric
12
140 - Specific philosophical schools
11
612 - Human physiology
10
576 - Genetics & evolution
5
615 - Pharmacology & therapeutics
5
380 - Commerce, communications & transportation
3
540 - Chemistry & allied sciences
3
600 - Technology
3
616 - Diseases
3
620 - Engineering & allied operations
2
170 - Ethics
1