Classification
000 - Computer science, information & general works
18
100 - Philosophy & psychology
3
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
6
200 - Religion
3
297 - Islam, Babism & Bahai Faith
3
300 - Social sciences
1
304 - Factors affecting social behavior
3
320 - Political science
12
330 - Economics
20
333 - Economics of land & energy
21
336 - Public finance
1
340 - Law
6
363 - Other social problems & services
15
370 - Education
5
380 - Commerce, communications & transportation
10
400 - Language
1
410 - Linguistics
2
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
3
530 - Physics
1
540 - Chemistry & allied sciences
4
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
2
580 - Plants (Botany)
8
581 - Specific topics in natural history
2
600 - Technology
13
610 - Medicine & health
9
620 - Engineering & allied operations
3
630 - Agriculture & related technologies
1
657 - Accounting
1
658 - General management
4
700 - The arts; fine & decorative arts
20
800 - Literature & rhetoric
3
900 - History & geography
7