Classification
330 - Economics
370 - Education
530 - Physics
600 - Technology
2
620 - Engineering & allied operations
700 - The arts; fine & decorative arts
2
900 - History & geography
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
300 - Social sciences
1
320 - Political science
1
333 - Economics of land & energy
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
658 - General management
1
720 - Architecture
1