Classification
000 - Computer science, information & general works
1
001 - Knowledge
1
004 - Data processing & computer science
6
005 - Computer programming, programs & data
5
100 - Philosophy & psychology
10
128 - Humankind
1
150 - Psychology
104
153 - Mental processes & intelligence
3
155 - Differential & developmental psychology
14
158 - Applied psychology
19
170 - Ethics
3
296 - Judaism
1
300 - Social sciences
40
301 - Sociology & anthropology
55
302 - Social interaction
15
304 - Factors affecting social behavior
1
306 - Culture & institutions
3
320 - Political science
4
330 - Economics
1
333 - Economics of land & energy
2
340 - Law
3
362 - Social welfare problems & services
2
364 - Criminology
1
370 - Education
7
371 - Schools & their activities; special education
2
500 - Natural sciences & mathematics
1
519 - Probabilities & applied mathematics
41
530 - Physics
1
600 - Technology
2
612 - Human physiology
1
616 - Diseases
21
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
621 - Applied physics
2
629 - Other branches of engineering
1
650 - Management & auxiliary services
2
658 - General management
17
660 - Chemical engineering
3
700 - The arts; fine & decorative arts
1
796 - Athletic & outdoor sports & games
1
900 - History & geography
1