Classification
150 - Psychology
107
301 - Sociology & anthropology
75
300 - Social sciences
47
158 - Applied psychology
20
616 - Diseases
16
658 - General management
16
155 - Differential & developmental psychology
14
519 - Probabilities & applied mathematics
14
302 - Social interaction
13
100 - Philosophy & psychology
9
370 - Education
9
004 - Data processing & computer science
5
005 - Computer programming, programs & data
5
320 - Political science
4
153 - Mental processes & intelligence
3
170 - Ethics
3
306 - Culture & institutions
3
340 - Law
3
621 - Applied physics
3
660 - Chemical engineering
3
371 - Schools & their activities; special education
2
600 - Technology
2
650 - Management & auxiliary services
2
000 - Computer science, information & general works
1
001 - Knowledge
1
128 - Humankind
1
296 - Judaism
1
304 - Factors affecting social behavior
1
330 - Economics
1
333 - Economics of land & energy
1
362 - Social welfare problems & services
1
364 - Criminology
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1
530 - Physics
1
570 - Life sciences; biology
1
612 - Human physiology
1
613 - Personal health & safety
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
629 - Other branches of engineering
1
700 - The arts; fine & decorative arts
1
796 - Athletic & outdoor sports & games
1
900 - History & geography
1