Classification
000 - Computer science, information & general works
79
001 - Knowledge
4
003 - Systems
3
004 - Data processing & computer science
38
005 - Computer programming, programs & data
61
006 - Special computer methods
28
025 - Library operations
1
028 - Reading & use of other information media
1
100 - Philosophy & psychology
12
120 - Epistemology, causation & humankind
2
140 - Specific philosophical schools
13
153 - Mental processes & intelligence
7
158 - Applied psychology
4
170 - Ethics
2
200 - Religion
1
300 - Social sciences
46
302 - Social interaction
38
303 - Social processes
3
304 - Factors affecting social behavior
3
320 - Political science
10
327 - International relations
1
330 - Economics
72
331 - Labor economics
57
332 - Financial economics
7
333 - Economics of land & energy
63
338 - Production
18
340 - Law
16
344 - Labor, social, education & cultural law
1
347 - Civil procedure & courts
1
351 - Public administration
3
355 - Military science
1
361 - Social problems & social welfare in general
2
362 - Social welfare problems & services
1
363 - Other social problems & services
27
364 - Criminology
2
368 - Insurance
1
370 - Education
6
371 - Schools & their activities; special education
2
380 - Commerce, communications & transportation
25
381 - Commerce
8
384 - Communications; telecommunication
41
400 - Language
4
401 - Philosophy & theory
1
410 - Linguistics
2
414 - Phonology & phonetics
9
500 - Natural sciences & mathematics
501 - Philosophy & theory
1
508 - Natural history
1
509 - Historical, geographic & persons treatment
1
510 - Mathematics
30
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