Classification
000 - Computer science, information & general works
178
001 - Knowledge
4
004 - Data processing & computer science
8
005 - Computer programming, programs & data
14
006 - Special computer methods
15
011 - Bibliographies
3
100 - Philosophy & psychology
14
140 - Specific philosophical schools
65
150 - Psychology
25
152 - Perception, movement, emotions & drives
1
153 - Mental processes & intelligence
24
155 - Differential & developmental psychology
10
158 - Applied psychology
34
160 - Logic
1
170 - Ethics
13
174 - Occupational ethics
4
200 - Religion
9
297 - Islam, Babism & Bahai Faith
3
300 - Social sciences
140
301 - Sociology & anthropology
8
302 - Social interaction
182
303 - Social processes
8
304 - Factors affecting social behavior
26
305 - Social groups
1
320 - Political science
133
330 - Economics
331 - Labor economics
69
332 - Financial economics
4
333 - Economics of land & energy
216
336 - Public finance
8
338 - Production
40
340 - Law
61
350 - Public administration & military science
3
361 - Social problems & social welfare in general
8
362 - Social welfare problems & services
1
363 - Other social problems & services
161
364 - Criminology
1
370 - Education
45
380 - Commerce, communications & transportation
381 - Commerce
74
382 - International commerce
1
384 - Communications; telecommunication
536
395 - Etiquette (Manners)
2
400 - Language
19
401 - Philosophy & theory
1
410 - Linguistics
12
414 - Phonology & phonetics
9
500 - Natural sciences & mathematics
98
519 - Probabilities & applied mathematics
8
530 - Physics
11
more ...