Classification
000 - Computer science, information & general works
5
001 - Knowledge
4
004 - Data processing & computer science
2
006 - Special computer methods
1
011 - Bibliographies
2
128 - Humankind
2
150 - Psychology
1
152 - Perception, movement, emotions & drives
1
153 - Mental processes & intelligence
7
155 - Differential & developmental psychology
5
158 - Applied psychology
114
170 - Ethics
171 - Ethical systems
1
174 - Occupational ethics
75
177 - Ethics of social relations
2
179 - Other ethical norms
2
201 - Religious mythology & social theology
1
261 - Social theology
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
30
302 - Social interaction
32
303 - Social processes
2
304 - Factors affecting social behavior
8
306 - Culture & institutions
1
330 - Economics
182
331 - Labor economics
52
332 - Financial economics
7
333 - Economics of land & energy
1
338 - Production
36
339 - Macroeconomics & related topics
2
343 - Military, tax, trade & industrial law
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
355 - Military science
1
363 - Other social problems & services
1
364 - Criminology
1
368 - Insurance
2
374 - Adult education
1
380 - Commerce, communications & transportation
5
381 - Commerce
8
384 - Communications; telecommunication
8
500 - Natural sciences & mathematics
12
616 - Diseases
1
617 - Surgery & related medical specialties
1
620 - Engineering & allied operations
3
646 - Sewing, clothing & personal living
3
650 - Management & auxiliary services
55
657 - Accounting
1
658 - General management
126
659 - Advertising & public relations
4
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