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