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