Classification
100 - Philosophy & psychology
576 - Genetics & evolution
700 - The arts; fine & decorative arts
900 - History & geography
370 - Education
3
140 - Specific philosophical schools
2
540 - Chemistry & allied sciences
2
000 - Computer science, information & general works
1
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
581 - Specific topics in natural history
1
600 - Technology
1
620 - Engineering & allied operations
1
658 - General management
1
720 - Architecture
1
800 - Literature & rhetoric
1