Classification
612 - Human physiology
610 - Medicine & health
55
700 - The arts; fine & decorative arts
29
571 - Physiology & related subjects
25
618 - Gynecology, obstetrics, pediatrics & geriatrics
21
140 - Specific philosophical schools
12
333 - Economics of land & energy
12
000 - Computer science, information & general works
10
600 - Technology
7
620 - Engineering & allied operations
7
580 - Plants (Botany)
6
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
540 - Chemistry & allied sciences
5
900 - History & geography
5
100 - Philosophy & psychology
4
500 - Natural sciences & mathematics
4
780 - Music
4
330 - Economics
3
370 - Education
2
615 - Pharmacology & therapeutics
2
340 - Law
1
350 - Public administration & military science
1
530 - Physics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
616 - Diseases
1
630 - Agriculture & related technologies
1
720 - Architecture
1
800 - Literature & rhetoric
1