Classification
610 - Medicine & health
22
571 - Physiology & related subjects
12
700 - The arts; fine & decorative arts
10
000 - Computer science, information & general works
8
140 - Specific philosophical schools
8
333 - Economics of land & energy
8
612 - Human physiology
6
363 - Other social problems & services
5
580 - Plants (Botany)
4
380 - Commerce, communications & transportation
3
500 - Natural sciences & mathematics
3
540 - Chemistry & allied sciences
3
616 - Diseases
3
304 - Factors affecting social behavior
2
570 - Life sciences; biology
2
600 - Technology
2
620 - Engineering & allied operations
2
800 - Literature & rhetoric
2
061 - Organizations in North America
1
414 - Phonology & phonetics
1
572 - Biochemistry
1
573 - Specific physiological systems in animals
1
611 - Human anatomy, cytology & histology
1
615 - Pharmacology & therapeutics
1
900 - History & geography
1