Classification
000 - Computer science, information & general works
23
100 - Philosophy & psychology
3
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
170 - Ethics
3
200 - Religion
9
297 - Islam, Babism & Bahai Faith
4
300 - Social sciences
2
301 - Sociology & anthropology
3
304 - Factors affecting social behavior
4
320 - Political science
23
330 - Economics
24
333 - Economics of land & energy
36
340 - Law
16
361 - Social problems & social welfare in general
1
363 - Other social problems & services
24
370 - Education
6
380 - Commerce, communications & transportation
22
400 - Language
5
410 - Linguistics
2
414 - Phonology & phonetics
4
500 - Natural sciences & mathematics
6
520 - Astronomy & allied sciences
1
530 - Physics
3
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
10
580 - Plants (Botany)
11
581 - Specific topics in natural history
6
600 - Technology
43
610 - Medicine & health
27
612 - Human physiology
2
620 - Engineering & allied operations
29
630 - Agriculture & related technologies
3
658 - General management
2
700 - The arts; fine & decorative arts
43
720 - Architecture
8
800 - Literature & rhetoric
6
900 - History & geography
30