Classification
000 - Computer science, information & general works
3
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
4
200 - Religion
1
300 - Social sciences
6
301 - Sociology & anthropology
1
320 - Political science
35
330 - Economics
40
333 - Economics of land & energy
7
340 - Law
8
363 - Other social problems & services
5
364 - Criminology
1
370 - Education
3
380 - Commerce, communications & transportation
5
400 - Language
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
600 - Technology
8
610 - Medicine & health
2
620 - Engineering & allied operations
7
630 - Agriculture & related technologies
2
657 - Accounting
12
658 - General management
1
700 - The arts; fine & decorative arts
8
720 - Architecture
2
800 - Literature & rhetoric
4
900 - History & geography