Materia
- Astronomy: General Interest 1
- Astrophysics 1
- Atmospheric Science and Meteorology 1
- Atomic Physics 1
- Biological Anthropology and Primatology 1
- British History 1066-1450 1
- British History: General Interest 1
- Classical Studies (General) 1
- Colonial American History 1
- Condensed Matter Physics 1
- Cryptography 1
- Cryptology and Coding 1
- Developmental Psychology 1
- Discrete Mathematics Information Theory and Coding 1
- Early Republic and Antebellum History 1
- Earth and Environmental Science: General Interest 1
- East Asian Government 1
- Ecology and Conservation 1
- Economic History 1
- Economic Thought 1