Classification
000 - Computer science, information & general works
130
001 - Knowledge
1
004 - Data processing & computer science
1
005 - Computer programming, programs & data
13
100 - Philosophy & psychology
16
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
57
160 - Logic
1
170 - Ethics
3
200 - Religion
4
260 - Social & ecclesiastical theology
1
280 - Christian denominations & sects
2
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
3
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
10
320 - Political science
19
330 - Economics
56
331 - Labor economics
1
333 - Economics of land & energy
102
340 - Law
11
341 - Law of nations
4
347 - Civil procedure & courts
1
350 - Public administration & military science
2
361 - Social problems & social welfare in general
4
363 - Other social problems & services
64
370 - Education
27
380 - Commerce, communications & transportation
48
400 - Language
14
410 - Linguistics
8
414 - Phonology & phonetics
12
500 - Natural sciences & mathematics
27
530 - Physics
17
540 - Chemistry & allied sciences
44
542 - Techniques, equipment & materials
1
543 - Analytical chemistry
1
550 - Earth sciences
4
551 - Geology, hydrology & meteorology
26
576 - Genetics & evolution
20
580 - Plants (Botany)
40
581 - Specific topics in natural history
7
590 - Animals (Zoology)
1
600 - Technology
132
610 - Medicine & health
109
612 - Human physiology
7
615 - Pharmacology & therapeutics
3
620 - Engineering & allied operations
88
630 - Agriculture & related technologies
14
650 - Management & auxiliary services
2
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