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Materia
- History 22
- Politics and International Relations 22
- Area Studies 12
- Philosophy 2
- Intensive Care 1
- African History 1
- African Studies 1
- Agriculture 1
- Anesthesia 1
- Anthropology 1
- Art: General Interest 1
- Asian Studies 1
- Astrophysics 1
- British History after 1450 1
- Categories and Sets 1
- Comparative Politics 1
- Computing: General Interest 1
- Early Republic and Antebellum History 1
- Economic History 1
- Engineering: General Interest 1