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Materia
- Agriculture 1
- Algebra 1
- American Government 1
- American History: General Interest 1
- Ancient History 2
- Anthropology 1
- Australian History 1
- British History 1066-1450 1
- British History after 1450 2
- British History: General Interest 1
- Categories and Sets 2
- Chemical Engineering 1
- Classical Studies (General) 2
- Comparative Politics 3
- Computing: General Interest 1
- Distributed 1
- Earth and Environmental Sciences 47
- Ecology and Conservation 1
- Econometrics and Mathematical Methods 1
- Economics 6