Classification
100 - Philosophy & psychology
140 - Specific philosophical schools
2
200 - Religion
1
300 - Social sciences
2
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
2
370 - Education
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
600 - Technology
1
620 - Engineering & allied operations
1
658 - General management
1
700 - The arts; fine & decorative arts
720 - Architecture
1
900 - History & geography
3