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Materia
- American Studies 36
- History 36
- Area Studies 12
- American Government 11
- Politics and Policy 11
- American Literature 10
- Geography 9
- American History: General Interest 6
- Archaeology of The Americas 6
- American History 1861-1900 3
- Asian Studies 3
- Literary Theory 3
- Politics and International Relations 3
- Earth and Environmental Sciences 2
- Engineering 2
- General 2
- Literature 2
- Sociology 2
- African History 1
- African Studies 1