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Materia
- Earth and Environmental Science: General Interest 41
- Mineralogy 41
- Petrology and Volcanology 25
- Area Studies 9
- History of Science: General Interest 9
- Politics and International Relations 7
- Economics 6
- History 6
- Geomorphology and Physical Geography 4
- Law 4
- History of Science 3
- Literature 3
- Mathematics 3
- Music 3
- Philosophy 3
- Sociology 3
- Structural Geology 3
- Asian Studies 2
- Classical Studies 2
- Geography 2