Classification
616 - Diseases
445
158 - Applied psychology
417
610 - Medicine & health
140
150 - Psychology
112
370 - Education
92
658 - General management
79
155 - Differential & developmental psychology
62
330 - Economics
50
332 - Financial economics
32
100 - Philosophy & psychology
27
361 - Social problems & social welfare in general
27
302 - Social interaction
23
306 - Culture & institutions
19
650 - Management & auxiliary services
17
613 - Personal health & safety
15
700 - The arts; fine & decorative arts
14
140 - Specific philosophical schools
12
300 - Social sciences
12
333 - Economics of land & energy
12
331 - Labor economics
11
362 - Social welfare problems & services
11
305 - Social groups
10
153 - Mental processes & intelligence
9
301 - Sociology & anthropology
9
380 - Commerce, communications & transportation
9
570 - Life sciences; biology
9
614 - Incidence & prevention of disease
9
000 - Computer science, information & general works
8
363 - Other social problems & services
8
612 - Human physiology
8
617 - Surgery & related medical specialties
7
900 - History & geography
7
320 - Political science
6
615 - Pharmacology & therapeutics
6
200 - Religion
5
303 - Social processes
5
304 - Factors affecting social behavior
5
371 - Schools & their activities; special education
5
500 - Natural sciences & mathematics
5
340 - Law
4
374 - Adult education
4
618 - Gynecology, obstetrics, pediatrics & geriatrics
4
170 - Ethics
3
339 - Macroeconomics & related topics
3
364 - Criminology
3
378 - Higher education
3
580 - Plants (Botany)
3
345 - Criminal law
2
360 - Social problems & services; associations
2
381 - Commerce
2
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