Classification
612 - Human physiology
262
610 - Medicine & health
115
700 - The arts; fine & decorative arts
15
100 - Philosophy & psychology
7
140 - Specific philosophical schools
6
333 - Economics of land & energy
6
570 - Life sciences; biology
6
600 - Technology
6
380 - Commerce, communications & transportation
5
615 - Pharmacology & therapeutics
5
616 - Diseases
5
900 - History & geography
4
000 - Computer science, information & general works
3
363 - Other social problems & services
3
370 - Education
3
620 - Engineering & allied operations
3
153 - Mental processes & intelligence
2
414 - Phonology & phonetics
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
780 - Music
2
128 - Humankind
1
133 - Specific topics in parapsychology & occultism
1
170 - Ethics
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
401 - Philosophy & theory
1
530 - Physics
1
571 - Physiology & related subjects
1
573 - Specific physiological systems in animals
1
617 - Surgery & related medical specialties
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1