Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
5
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
5
160 - Logic
1
170 - Ethics
1
200 - Religion
2
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
2
301 - Sociology & anthropology
1
320 - Political science
1
330 - Economics
5
333 - Economics of land & energy
6
340 - Law
2
363 - Other social problems & services
2
370 - Education
2
380 - Commerce, communications & transportation
5
400 - Language
410 - Linguistics
8
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
2
530 - Physics
3
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
580 - Plants (Botany)
2
581 - Specific topics in natural history
1
600 - Technology
12
610 - Medicine & health
3
620 - Engineering & allied operations
4
658 - General management
1
700 - The arts; fine & decorative arts
8
720 - Architecture
2
900 - History & geography
4