Classification
000 - Computer science, information & general works
15
100 - Philosophy & psychology
1
140 - Specific philosophical schools
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
6
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
320 - Political science
2
330 - Economics
11
333 - Economics of land & energy
340 - Law
2
361 - Social problems & social welfare in general
1
363 - Other social problems & services
17
370 - Education
2
380 - Commerce, communications & transportation
11
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
5
530 - Physics
1
540 - Chemistry & allied sciences
7
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
6
580 - Plants (Botany)
11
581 - Specific topics in natural history
6
600 - Technology
23
610 - Medicine & health
612 - Human physiology
3
620 - Engineering & allied operations
29
630 - Agriculture & related technologies
8
658 - General management
5
700 - The arts; fine & decorative arts
22
720 - Architecture
2
800 - Literature & rhetoric
3
900 - History & geography
12