Classification
000 - Computer science, information & general works
374
100 - Philosophy & psychology
8
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
82
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
8
301 - Sociology & anthropology
6
304 - Factors affecting social behavior
24
320 - Political science
12
330 - Economics
67
331 - Labor economics
1
333 - Economics of land & energy
228
340 - Law
8
361 - Social problems & social welfare in general
2
363 - Other social problems & services
162
370 - Education
27
380 - Commerce, communications & transportation
68
400 - Language
4
410 - Linguistics
3
414 - Phonology & phonetics
37
500 - Natural sciences & mathematics
69
510 - Mathematics
1
520 - Astronomy & allied sciences
5
530 - Physics
49
540 - Chemistry & allied sciences
542 - Techniques, equipment & materials
1
547 - Organic chemistry
1
551 - Geology, hydrology & meteorology
28
576 - Genetics & evolution
64
580 - Plants (Botany)
89
581 - Specific topics in natural history
28
590 - Animals (Zoology)
8
600 - Technology
225
610 - Medicine & health
225
612 - Human physiology
27
615 - Pharmacology & therapeutics
31
620 - Engineering & allied operations
190
629 - Other branches of engineering
4
630 - Agriculture & related technologies
27
650 - Management & auxiliary services
1
657 - Accounting
2
658 - General management
3
660 - Chemical engineering
2
700 - The arts; fine & decorative arts
327
720 - Architecture
15
800 - Literature & rhetoric
17
900 - History & geography
86