Classification
000 - Computer science, information & general works
8
100 - Philosophy & psychology
6
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
7
160 - Logic
2
170 - Ethics
3
200 - Religion
2
230 - Christianity & Christian theology
10
280 - Christian denominations & sects
5
300 - Social sciences
5
301 - Sociology & anthropology
3
304 - Factors affecting social behavior
2
320 - Political science
47
327 - International relations
1
330 - Economics
54
333 - Economics of land & energy
11
336 - Public finance
1
340 - Law
11
346 - Private law
1
363 - Other social problems & services
8
370 - Education
8
380 - Commerce, communications & transportation
13
400 - Language
5
410 - Linguistics
4
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
6
530 - Physics
4
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
4
580 - Plants (Botany)
1
581 - Specific topics in natural history
2
600 - Technology
14
610 - Medicine & health
9
620 - Engineering & allied operations
11
660 - Chemical engineering
2
700 - The arts; fine & decorative arts
25
720 - Architecture
3
770 - Photography, photographs & computer art
2
780 - Music
1
800 - Literature & rhetoric
6
820 - English & Old English literatures
39
900 - History & geography
39