Classification
155 - Differential & developmental psychology
193
302 - Social interaction
174
150 - Psychology
74
616 - Diseases
51
158 - Applied psychology
35
301 - Sociology & anthropology
20
306 - Culture & institutions
15
153 - Mental processes & intelligence
11
300 - Social sciences
10
320 - Political science
10
361 - Social problems & social welfare in general
9
364 - Criminology
8
305 - Social groups
7
610 - Medicine & health
7
370 - Education
6
650 - Management & auxiliary services
5
658 - General management
5
330 - Economics
3
612 - Human physiology
3
613 - Personal health & safety
3
614 - Incidence & prevention of disease
3
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
500 - Natural sciences & mathematics
2
520 - Astronomy & allied sciences
2
572 - Biochemistry
2
577 - Ecology
2
004 - Data processing & computer science
1
006 - Special computer methods
1
120 - Epistemology, causation & humankind
1
170 - Ethics
1
174 - Occupational ethics
1
303 - Social processes
1
327 - International relations
1
378 - Higher education
1
576 - Genetics & evolution
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
620 - Engineering & allied operations
1
791 - Public performances
1