Classification
616 - Diseases
2,179
610 - Medicine & health
286
612 - Human physiology
164
150 - Psychology
147
615 - Pharmacology & therapeutics
117
155 - Differential & developmental psychology
75
618 - Gynecology, obstetrics, pediatrics & geriatrics
64
370 - Education
54
158 - Applied psychology
38
614 - Incidence & prevention of disease
35
100 - Philosophy & psychology
34
900 - History & geography
33
362 - Social welfare problems & services
27
340 - Law
26
617 - Surgery & related medical specialties
26
613 - Personal health & safety
20
344 - Labor, social, education & cultural law
17
333 - Economics of land & energy
15
700 - The arts; fine & decorative arts
15
301 - Sociology & anthropology
14
000 - Computer science, information & general works
12
361 - Social problems & social welfare in general
12
300 - Social sciences
11
153 - Mental processes & intelligence
10
306 - Culture & institutions
9
600 - Technology
9
320 - Political science
7
571 - Physiology & related subjects
7
170 - Ethics
6
174 - Occupational ethics
6
302 - Social interaction
6
304 - Factors affecting social behavior
6
380 - Commerce, communications & transportation
6
140 - Specific philosophical schools
5
330 - Economics
5
500 - Natural sciences & mathematics
5
570 - Life sciences; biology
5
800 - Literature & rhetoric
5
128 - Humankind
4
142 - Critical philosophy
4
200 - Religion
4
363 - Other social problems & services
4
540 - Chemistry & allied sciences
4
305 - Social groups
3
345 - Criminal law
3
501 - Philosophy & theory
3
572 - Biochemistry
3
576 - Genetics & evolution
3
611 - Human anatomy, cytology & histology
3
658 - General management
3
more ...