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Materia
- Law 39
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- Politics and International Relations 15
- Botanical Reference 8
- Ecology and Conservation 8
- History of Science 8
- Area Studies 5
- History 3
- Economics 2
- Economics and Law 2
- Environmental Policy 2
- Environmental Science 2
- Sociology 2
- Engineering: General Interest 1
- History of Science: General Interest 1
- Literature 1
- Macroeconomics 1
- Management 1