Classification
616 - Diseases
1,250
610 - Medicine & health
931
571 - Physiology & related subjects
838
700 - The arts; fine & decorative arts
378
000 - Computer science, information & general works
246
614 - Incidence & prevention of disease
218
570 - Life sciences; biology
206
140 - Specific philosophical schools
180
333 - Economics of land & energy
169
600 - Technology
169
540 - Chemistry & allied sciences
151
363 - Other social problems & services
134
615 - Pharmacology & therapeutics
132
580 - Plants (Botany)
120
620 - Engineering & allied operations
111
617 - Surgery & related medical specialties
98
380 - Commerce, communications & transportation
75
572 - Biochemistry
68
612 - Human physiology
65
304 - Factors affecting social behavior
50
500 - Natural sciences & mathematics
50
900 - History & geography
47
061 - Organizations in North America
46
330 - Economics
46
576 - Genetics & evolution
43
006 - Special computer methods
35
370 - Education
22
530 - Physics
19
660 - Chemical engineering
19
414 - Phonology & phonetics
17
320 - Political science
15
581 - Specific topics in natural history
13
630 - Agriculture & related technologies
13
100 - Philosophy & psychology
12
611 - Human anatomy, cytology & histology
12
599 - Mammals
10
613 - Personal health & safety
10
300 - Social sciences
9
340 - Law
9
547 - Organic chemistry
9
800 - Literature & rhetoric
9
170 - Ethics
7
400 - Language
7
519 - Probabilities & applied mathematics
7
579 - Microorganisms, fungi & algae
7
658 - General management
7
720 - Architecture
7
410 - Linguistics
6
618 - Gynecology, obstetrics, pediatrics & geriatrics
6
621 - Applied physics
6
more ...