Classification
000 - Computer science, information & general works
4
001 - Knowledge
5
003 - Systems
1
005 - Computer programming, programs & data
3
011 - Bibliographies
1
070 - News media, journalism & publishing
1
100 - Philosophy & psychology
2
140 - Specific philosophical schools
3
153 - Mental processes & intelligence
1
158 - Applied psychology
24
170 - Ethics
9
174 - Occupational ethics
2
200 - Religion
3
300 - Social sciences
7
301 - Sociology & anthropology
1
302 - Social interaction
2
303 - Social processes
4
304 - Factors affecting social behavior
4
305 - Social groups
1
320 - Political science
49
330 - Economics
89
332 - Financial economics
11
333 - Economics of land & energy
1
338 - Production
24
355 - Military science
2
381 - Commerce
5
384 - Communications; telecommunication
4
398 - Folklore
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
7
509 - Historical, geographic & persons treatment
1
510 - Mathematics
2
519 - Probabilities & applied mathematics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
610 - Medicine & health
5
620 - Engineering & allied operations
4
629 - Other branches of engineering
2
647 - Management of public households
1
650 - Management & auxiliary services
21
658 - General management
25
659 - Advertising & public relations
1
670 - Manufacturing
2
700 - The arts; fine & decorative arts
8
709 - Historical, geographic & persons treatment
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
782 - Vocal music
1
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